13213212232 has 32 divisors (see below), whose sum is σ = 27958996800. Its totient is φ = 5798900800.

The previous prime is 13213212227. The next prime is 13213212253. The reversal of 13213212232 is 23221231231.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 2586244 + ... + 2591347.

It is an arithmetic number, because the mean of its divisors is an integer number (873718650).

Almost surely, 2^13213212232 is an apocalyptic number.

It is an amenable number.

13213212232 is an abundant number, since it is smaller than the sum of its proper divisors (14745784568).

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

13213212232 is a wasteful number, since it uses less digits than its factorization.

13213212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177637 (or 5177633 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 13213212232 its reverse (23221231231), we get a palindrome (36434443463).

The spelling of 13213212232 in words is "thirteen billion, two hundred thirteen million, two hundred twelve thousand, two hundred thirty-two".