3912021712 has 10 divisors (see below), whose sum is σ = 7579542098. Its totient is φ = 1956010848.

The previous prime is 3912021709. The next prime is 3912021721. The reversal of 3912021712 is 2171202193.

3912021712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3269094976 + 642926736 = 57176^2 + 25356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122250663 + ... + 122250694.

Almost surely, 2^3912021712 is an apocalyptic number.

It is an amenable number.

3912021712 is a deficient number, since it is larger than the sum of its proper divisors (3667520386).

3912021712 is a wasteful number, since it uses less digits than its factorization.

3912021712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244501365 (or 244501359 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3912021712 is about 62546.1566525074. The cubic root of 3912021712 is about 1575.6766001368.

The spelling of 3912021712 in words is "three billion, nine hundred twelve million, twenty-one thousand, seven hundred twelve".