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102200221210212 = 2234751741962589
BaseRepresentation
bin10111001111001101010111…
…111000011001011001100100
3111101212020122010200201010000
4113033031113320121121210
5101343422023112211322
61001210044455101300
730345502516641126
oct2717152770313144
9441766563621100
10102200221210212
112a622963578714
12b567107371830
13450459379b9a8
141b34734cc7216
15bc36e036a3ac
hex5cf357e19664

102200221210212 has 60 divisors (see below), whose sum is σ = 267207114622140. Its totient is φ = 34062207632064.

The previous prime is 102200221210111. The next prime is 102200221210247. The reversal of 102200221210212 is 212012122002201.

It is a happy number.

102200221210212 is a `hidden beast` number, since 1 + 0 + 2 + 20 + 0 + 221 + 210 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41207463844416 + 60992757365796 = 6419304^2 + 7809786^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18545787 + ... + 23416802.

It is an arithmetic number, because the mean of its divisors is an integer number (4453451910369).

Almost surely, 2102200221210212 is an apocalyptic number.

102200221210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102200221210212 is an abundant number, since it is smaller than the sum of its proper divisors (165006893411928).

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

102200221210212 is a wasteful number, since it uses less digits than its factorization.

102200221210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41970122 (or 41970111 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102200221210212 its reverse (212012122002201), we get a palindrome (314212343212413).

The spelling of 102200221210212 in words is "one hundred two trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 7517 15034 22551 30068 45102 67653 90204 135306 202959 270612 405918 608877 811836 1217754 2435508 41962589 83925178 125887767 167850356 251775534 377663301 503551068 755326602 1132989903 1510653204 2265979806 3398969709 4531959612 6797939418 13595878836 315432781513 630865563026 946298344539 1261731126052 1892596689078 2838895033617 3785193378156 5677790067234 8516685100851 11355580134468 17033370201702 25550055302553 34066740403404 51100110605106 102200221210212