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121213032331112 = 2347322375085987
BaseRepresentation
bin11011100011111000011011…
…101110111111011101101000
3120220011212000122010011022222
4123203320123232333131220
5111341423242234043422
61105444255345333212
734350231636652511
oct3343703356773550
9526155018104288
10121213032331112
1135693181808587
1211717a93337208
1352834559c63b7
1421d0a5633ba08
15e0306852c842
hex6e3e1bbbf768

121213032331112 has 16 divisors (see below), whose sum is σ = 232110061911360. Its totient is φ = 59317015821424.

The previous prime is 121213032331031. The next prime is 121213032331121. The reversal of 121213032331112 is 211133230312121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161187542618 + ... + 161187543369.

It is an arithmetic number, because the mean of its divisors is an integer number (14506878869460).

Almost surely, 2121213032331112 is an apocalyptic number.

It is an amenable number.

121213032331112 is a deficient number, since it is larger than the sum of its proper divisors (110897029580248).

121213032331112 is a wasteful number, since it uses less digits than its factorization.

121213032331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322375086040 (or 322375086036 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121213032331112 its reverse (211133230312121), we get a palindrome (332346262643233).

The spelling of 121213032331112 in words is "one hundred twenty-one trillion, two hundred thirteen billion, thirty-two million, three hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 47 94 188 376 322375085987 644750171974 1289500343948 2579000687896 15151629041389 30303258082778 60606516165556 121213032331112