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12000231132 = 2235970124179
BaseRepresentation
bin10110010110100010…
…01111111011011100
31010222022112220101220
423023101033323130
5144034024344012
65302434333340
7603243165411
oct131321177334
933868486356
1012000231132
1150a88aa29a
1223aaa2a250
131193215aa6
1481ba7c108
154a37b908c
hex2cb44fedc

12000231132 has 48 divisors (see below), whose sum is σ = 28516924800. Its totient is φ = 3926507200.

The previous prime is 12000231121. The next prime is 12000231137. The reversal of 12000231132 is 23113200021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000231137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484219 + ... + 508397.

It is an arithmetic number, because the mean of its divisors is an integer number (594102600).

Almost surely, 212000231132 is an apocalyptic number.

12000231132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000231132 is an abundant number, since it is smaller than the sum of its proper divisors (16516693668).

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

12000231132 is a wasteful number, since it uses less digits than its factorization.

12000231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24946 (or 24944 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12000231132 its reverse (23113200021), we get a palindrome (35113431153).

The spelling of 12000231132 in words is "twelve billion, two hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 701 708 1402 2103 2804 4206 8412 24179 41359 48358 72537 82718 96716 124077 145074 165436 248154 290148 496308 1426561 2853122 4279683 5706244 8559366 16949479 17118732 33898958 50848437 67797916 101696874 203393748 1000019261 2000038522 3000057783 4000077044 6000115566 12000231132