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1201312441200 = 243521576376393
BaseRepresentation
bin10001011110110011110…
…011010010001101110000
311020211210112022000211210
4101132303303102031300
5124140241441104300
62315513022440120
7152535433161144
oct21366363221560
94224715260753
101201312441200
11423523611643
121749a5133040
138938b48a731
1442202967224
15213b0037050
hex117b3cd2370

1201312441200 has 120 divisors (see below), whose sum is σ = 3872715648688. Its totient is φ = 318309488640.

The previous prime is 1201312441193. The next prime is 1201312441201. The reversal of 1201312441200 is 21442131021.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201312441201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2999797 + ... + 3376596.

Almost surely, 21201312441200 is an apocalyptic number.

1201312441200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201312441200 is an abundant number, since it is smaller than the sum of its proper divisors (2671403207488).

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

1201312441200 is a wasteful number, since it uses less digits than its factorization.

1201312441200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376571 (or 6376560 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1201312441200 its reverse (21442131021), we get a palindrome (1222754572221).

The spelling of 1201312441200 in words is "one trillion, two hundred one billion, three hundred twelve million, four hundred forty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 157 200 240 300 314 400 471 600 628 785 942 1200 1256 1570 1884 2355 2512 3140 3768 3925 4710 6280 7536 7850 9420 11775 12560 15700 18840 23550 31400 37680 47100 62800 94200 188400 6376393 12752786 19129179 25505572 31881965 38258358 51011144 63763930 76516716 95645895 102022288 127527860 153033432 159409825 191291790 255055720 306066864 318819650 382583580 478229475 510111440 637639300 765167160 956458950 1001093701 1275278600 1530334320 1912917900 2002187402 2550557200 3003281103 3825835800 4004374804 5005468505 6006562206 7651671600 8008749608 10010937010 12013124412 15016405515 16017499216 20021874020 24026248824 25027342525 30032811030 40043748040 48052497648 50054685050 60065622060 75082027575 80087496080 100109370100 120131244120 150164055150 200218740200 240262488240 300328110300 400437480400 600656220600 1201312441200