13232044021 has 32 divisors (see below), whose sum is σ = 15830212608. Its totient is φ = 10825436160.

The previous prime is 13232044019. The next prime is 13232044073. The reversal of 13232044021 is 12044023231.

It is not a de Polignac number, because 13232044021 - 2¹ = 13232044019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13232043983 and 13232044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232044621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2658291 + ... + 2663263.

It is an arithmetic number, because the mean of its divisors is an integer number (494694144).

Almost surely, 2^13232044021 is an apocalyptic number.

It is an amenable number.

13232044021 is a deficient number, since it is larger than the sum of its proper divisors (2598168587).

13232044021 is a wasteful number, since it uses less digits than its factorization.

13232044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13232044021 its reverse (12044023231), we get a palindrome (25276067252).

The spelling of 13232044021 in words is "thirteen billion, two hundred thirty-two million, forty-four thousand, twenty-one".