4021370812 has 12 divisors (see below), whose sum is σ = 7126480480. Its totient is φ = 1985233536.

The previous prime is 4021370803. The next prime is 4021370909. The reversal of 4021370812 is 2180731204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6362613 + ... + 6363244.

Almost surely, 2^4021370812 is an apocalyptic number.

It is an amenable number.

4021370812 is a deficient number, since it is larger than the sum of its proper divisors (3105109668).

4021370812 is a wasteful number, since it uses less digits than its factorization.

4021370812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725940 (or 12725938 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4021370812 is about 63414.2792437161. The cubic root of 4021370812 is about 1590.2230363651.

The spelling of 4021370812 in words is "four billion, twenty-one million, three hundred seventy thousand, eight hundred twelve".