3902213201312 has 24 divisors (see below), whose sum is σ = 7682649161796. Its totient is φ = 1951064207872.

The previous prime is 3902213201311. The next prime is 3902213201321. The reversal of 3902213201312 is 2131023122093.

It can be written as a sum of positive squares in 2 ways, for example, as 3709460592016 + 192752609296 = 1925996^2 + 439036^2 .

It is not an unprimeable number, because it can be changed into a prime (3902213201311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197948 + ... + 2800644.

Almost surely, 2^{3902213201312} is an apocalyptic number.

3902213201312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3902213201312 is a deficient number, since it is larger than the sum of its proper divisors (3780435960484).

3902213201312 is a wasteful number, since it uses less digits than its factorization.

3902213201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649560 (or 2649552 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 3902213201312 in words is "three trillion, nine hundred two billion, two hundred thirteen million, two hundred one thousand, three hundred twelve".