12312000132 has 48 divisors (see below), whose sum is σ = 29173697280. Its totient is φ = 4040400672.

The previous prime is 12312000121. The next prime is 12312000139. The reversal of 12312000132 is 23100021321.

It is not an unprimeable number, because it can be changed into a prime (12312000139) 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, 1877283 + ... + 1883829.

It is an arithmetic number, because the mean of its divisors is an integer number (607785360).

Almost surely, 2^12312000132 is an apocalyptic number.

12312000132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12312000132 is an abundant number, since it is smaller than the sum of its proper divisors (16861697148).

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

12312000132 is a wasteful number, since it uses less digits than its factorization.

12312000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960 (or 8958 counting only the distinct ones).

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

Adding to 12312000132 its reverse (23100021321), we get a palindrome (35412021453).

The spelling of 12312000132 in words is "twelve billion, three hundred twelve million, one hundred thirty-two", and thus it is an aban number.