12232304532 has 72 divisors (see below), whose sum is σ = 36891093120. Its totient is φ = 3494942640.

The previous prime is 12232304479. The next prime is 12232304597. The reversal of 12232304532 is 23540323221.

12232304532 is a `hidden beast` number, since 122 + 3 + 2 + 3 + 0 + 4 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12232304496 and 12232304505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150444 + ... + 1161027.

Almost surely, 2^12232304532 is an apocalyptic number.

12232304532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12232304532 is an abundant number, since it is smaller than the sum of its proper divisors (24658788588).

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

12232304532 is a wasteful number, since it uses less digits than its factorization.

12232304532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311498 (or 2311483 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 12232304532 its reverse (23540323221), we get a palindrome (35772627753).

The spelling of 12232304532 in words is "twelve billion, two hundred thirty-two million, three hundred four thousand, five hundred thirty-two".