13021012232 has 32 divisors (see below), whose sum is σ = 25885163520. Its totient is φ = 6119328000.

The previous prime is 13021012229. The next prime is 13021012253. The reversal of 13021012232 is 23221012031.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13021012232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38393 + ... + 165879.

It is an arithmetic number, because the mean of its divisors is an integer number (808911360).

Almost surely, 2^13021012232 is an apocalyptic number.

It is an amenable number.

13021012232 is a deficient number, since it is larger than the sum of its proper divisors (12864151288).

13021012232 is a wasteful number, since it uses less digits than its factorization.

13021012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128261 (or 128257 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13021012232 its reverse (23221012031), we get a palindrome (36242024263).

The spelling of 13021012232 in words is "thirteen billion, twenty-one million, twelve thousand, two hundred thirty-two".