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12031013312212 = 225970177394079
BaseRepresentation
bin1010111100010011000001…
…0001100101011011010100
31120121011011000002121012111
42233010300101211123110
53034104003401442322
641330545441000404
72351132503555246
oct257046021453324
946534130077174
1012031013312212
113919362404344
121423836023104
1369369a9a31bb
142d843883c096
1515ce4a9aa177
hexaf1304656d4

12031013312212 has 48 divisors (see below), whose sum is σ = 21469635532800. Its totient is φ = 5897411139200.

The previous prime is 12031013312209. The next prime is 12031013312233. The reversal of 12031013312212 is 21221331013021.

It is a congruent number.

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, 127834989 + ... + 127929067.

It is an arithmetic number, because the mean of its divisors is an integer number (447284073600).

Almost surely, 212031013312212 is an apocalyptic number.

It is an amenable number.

12031013312212 is a deficient number, since it is larger than the sum of its proper divisors (9438622220588).

12031013312212 is a wasteful number, since it uses less digits than its factorization.

12031013312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95616 (or 95614 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12031013312212 its reverse (21221331013021), we get a palindrome (33252344325233).

The spelling of 12031013312212 in words is "twelve trillion, thirty-one billion, thirteen million, three hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 59 118 236 701 773 1402 1546 2804 3092 41359 45607 82718 91214 94079 165436 182428 188158 376316 541873 1083746 2167492 5550661 11101322 22202644 31970507 63941014 65949379 72723067 127882028 131898758 145446134 263797516 290892268 3891013361 4290660953 7782026722 8581321906 15564053444 17162643812 50978869967 101957739934 203915479868 3007753328053 6015506656106 12031013312212