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1242212433200 = 245217563324473
BaseRepresentation
bin10010000100111001101…
…000010111110100110000
311101202100220211220021022
4102010321220113310300
5130323022340330300
62350355311315012
7155514116315264
oct22047150276460
94352326756238
101242212433200
11439901596a22
121808ba51ba68
13901a8b32b2b
14441a288c0a4
15224a5a48285
hex12139a17d30

1242212433200 has 120 divisors (see below), whose sum is σ = 3165591706128. Its totient is φ = 466824355840.

The previous prime is 1242212433179. The next prime is 1242212433211. The reversal of 1242212433200 is 23342122421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242212433200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3666164 + ... + 3990636.

Almost surely, 21242212433200 is an apocalyptic number.

1242212433200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242212433200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582795853064).

1242212433200 is an abundant number, since it is smaller than the sum of its proper divisors (1923379272928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242212433200 is a wasteful number, since it uses less digits than its factorization.

1242212433200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325071 (or 325060 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1242212433200 its reverse (23342122421), we get a palindrome (1265554555621).

The spelling of 1242212433200 in words is "one trillion, two hundred forty-two billion, two hundred twelve million, four hundred thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 340 400 425 563 680 850 1126 1360 1700 2252 2815 3400 4504 5630 6800 9008 9571 11260 14075 19142 22520 28150 38284 45040 47855 56300 76568 95710 112600 153136 191420 225200 239275 324473 382840 478550 648946 765680 957100 1297892 1622365 1914200 2595784 3244730 3828400 5191568 5516041 6489460 8111825 11032082 12978920 16223650 22064164 25957840 27580205 32447300 44128328 55160410 64894600 88256656 110320820 129789200 137901025 182678299 220641640 275802050 365356598 441283280 551604100 730713196 913391495 1103208200 1461426392 1826782990 2206416400 2922852784 3105531083 3653565980 4566957475 6211062166 7307131960 9133914950 12422124332 14614263920 15527655415 18267829900 24844248664 31055310830 36535659800 49688497328 62110621660 73071319600 77638277075 124221243320 155276554150 248442486640 310553108300 621106216600 1242212433200