1032021812 has 24 divisors (see below), whose sum is σ = 1830936576. Its totient is φ = 508945248.

The previous prime is 1032021791. The next prime is 1032021821. The reversal of 1032021812 is 2181202301.

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, 82013 + ... + 93755.

It is an arithmetic number, because the mean of its divisors is an integer number (76289024).

Almost surely, 2^1032021812 is an apocalyptic number.

It is an amenable number.

1032021812 is a deficient number, since it is larger than the sum of its proper divisors (798914764).

1032021812 is a wasteful number, since it uses less digits than its factorization.

1032021812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047 (or 12045 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1032021812 is about 32125.0962955755. The cubic root of 1032021812 is about 1010.5619889726.

The spelling of 1032021812 in words is "one billion, thirty-two million, twenty-one thousand, eight hundred twelve".