12312230132 has 24 divisors (see below), whose sum is σ = 21873281472. Its totient is φ = 6062907200.

The previous prime is 12312230129. The next prime is 12312230207. The reversal of 12312230132 is 23103221321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247907 + ... + 293397.

It is an arithmetic number, because the mean of its divisors is an integer number (911386728).

Almost surely, 2^12312230132 is an apocalyptic number.

It is an amenable number.

12312230132 is a deficient number, since it is larger than the sum of its proper divisors (9561051340).

12312230132 is a wasteful number, since it uses less digits than its factorization.

12312230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46519 (or 46517 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12312230132 its reverse (23103221321), we get a palindrome (35415451453).

The spelling of 12312230132 in words is "twelve billion, three hundred twelve million, two hundred thirty thousand, one hundred thirty-two".