12311432522 has 16 divisors (see below), whose sum is σ = 19157040000. Its totient is φ = 5929553760.

The previous prime is 12311432509. The next prime is 12311432533. The reversal of 12311432522 is 22523411321.

It is a junction number, because it is equal to n+sod(n) for n = 12311432491 and 12311432500.

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, 943772 + ... + 956727.

It is an arithmetic number, because the mean of its divisors is an integer number (1197315000).

Almost surely, 2^12311432522 is an apocalyptic number.

12311432522 is a deficient number, since it is larger than the sum of its proper divisors (6845607478).

12311432522 is a wasteful number, since it uses less digits than its factorization.

12311432522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900621.

The product of its digits is 2880, while the sum is 26.

Adding to 12311432522 its reverse (22523411321), we get a palindrome (34834843843).

The spelling of 12311432522 in words is "twelve billion, three hundred eleven million, four hundred thirty-two thousand, five hundred twenty-two".