15233221012 has 24 divisors (see below), whose sum is σ = 27423893504. Its totient is φ = 7398503712.

The previous prime is 15233221001. The next prime is 15233221097. The reversal of 15233221012 is 21012233251.

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, 5053 + ... + 174619.

Almost surely, 2^15233221012 is an apocalyptic number.

It is an amenable number.

15233221012 is a deficient number, since it is larger than the sum of its proper divisors (12190672492).

15233221012 is a wasteful number, since it uses less digits than its factorization.

15233221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170215 (or 170213 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15233221012 its reverse (21012233251), we get a palindrome (36245454263).

The spelling of 15233221012 in words is "fifteen billion, two hundred thirty-three million, two hundred twenty-one thousand, twelve".