12032430312 has 64 divisors (see below), whose sum is σ = 35873095680. Its totient is φ = 3288364992.

The previous prime is 12032430307. The next prime is 12032430329. The reversal of 12032430312 is 21303423021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 13.

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, 1553128 + ... + 1560855.

It is an arithmetic number, because the mean of its divisors is an integer number (560517120).

Almost surely, 2^12032430312 is an apocalyptic number.

12032430312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12032430312 is an abundant number, since it is smaller than the sum of its proper divisors (23840665368).

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

12032430312 is a wasteful number, since it uses less digits than its factorization.

12032430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114022 (or 3114018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12032430312 its reverse (21303423021), we get a palindrome (33335853333).

The spelling of 12032430312 in words is "twelve billion, thirty-two million, four hundred thirty thousand, three hundred twelve".