3899912212 has 24 divisors (see below), whose sum is σ = 7802881856. Its totient is φ = 1670735808.

The previous prime is 3899912129. The next prime is 3899912227. The reversal of 3899912212 is 2122199983.

It is a super-2 number, since 2×3899912212² = 30418630522613465888, which contains 22 as substring.

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, 49168 + ... + 101080.

Almost surely, 2^3899912212 is an apocalyptic number.

It is an amenable number.

3899912212 is an abundant number, since it is smaller than the sum of its proper divisors (3902969644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3899912212 is a wasteful number, since it uses less digits than its factorization.

3899912212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54607 (or 54605 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 3899912212 is about 62449.2771135103. The cubic root of 3899912212 is about 1574.0491059736.

The spelling of 3899912212 in words is "three billion, eight hundred ninety-nine million, nine hundred twelve thousand, two hundred twelve".