12312010002132 has 72 divisors (see below), whose sum is σ = 33816801724160. Its totient is φ = 3762583695360.

The previous prime is 12312010002107. The next prime is 12312010002137. The reversal of 12312010002132 is 23120001021321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312010002137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290301613 + ... + 290344020.

Almost surely, 2^{12312010002132} is an apocalyptic number.

12312010002132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12312010002132 is an abundant number, since it is smaller than the sum of its proper divisors (21504791722028).

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

12312010002132 is a wasteful number, since it uses less digits than its factorization.

12312010002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580645693 (or 580645688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12312010002132 its reverse (23120001021321), we get a palindrome (35432011023453).

The spelling of 12312010002132 in words is "twelve trillion, three hundred twelve billion, ten million, two thousand, one hundred thirty-two".