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121312111113032 = 23731193336151189
BaseRepresentation
bin11011100101010100101101…
…010010100011001101001000
3120220112022202121022202221112
4123211110231102203031020
5111400034200421104112
61110002003043425452
734360340126501150
oct3345245522431510
9526468677282845
10121312111113032
11357211a5139924
1211733124685288
13528c8b56c0788
1421d5774cbb760
15e05916948a22
hex6e552d4a3348

121312111113032 has 64 divisors (see below), whose sum is σ = 268478981606400. Its totient is φ = 50287748555520.

The previous prime is 121312111113013. The next prime is 121312111113049. The reversal of 121312111113032 is 230311111213121.

It is a junction number, because it is equal to n+sod(n) for n = 121312111112989 and 121312111113007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14719907 + ... + 21431282.

It is an arithmetic number, because the mean of its divisors is an integer number (4194984087600).

Almost surely, 2121312111113032 is an apocalyptic number.

It is an amenable number.

121312111113032 is an abundant number, since it is smaller than the sum of its proper divisors (147166870493368).

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

121312111113032 is a wasteful number, since it uses less digits than its factorization.

121312111113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36153166 (or 36153162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 121312111113032 its reverse (230311111213121), we get a palindrome (351623222326153).

The spelling of 121312111113032 in words is "one hundred twenty-one trillion, three hundred twelve billion, one hundred eleven million, one hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 1933 3866 7732 13531 15464 27062 54124 59923 108248 119846 239692 419461 479384 838922 1677844 3355688 36151189 72302378 144604756 253058323 289209512 506116646 1012233292 1120686859 2024466584 2241373718 4482747436 7844808013 8965494872 15689616026 31379232052 62758464104 69880248337 139760496674 279520993348 489161738359 559041986696 978323476718 1956646953436 2166287698447 3913293906872 4332575396894 8665150793788 15164013889129 17330301587576 30328027778258 60656055556516 121312111113032