1971699700312 has 32 divisors (see below), whose sum is σ = 3752278916400. Its totient is φ = 971093274624.

The previous prime is 1971699700307. The next prime is 1971699700337. The reversal of 1971699700312 is 2130079961791.

It is a super-2 number, since 2×1971699700312² (a number of 25 digits) 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, 14766264 + ... + 14899192.

Almost surely, 2^{1971699700312} is an apocalyptic number.

It is an amenable number.

1971699700312 is a deficient number, since it is larger than the sum of its proper divisors (1780579216088).

1971699700312 is a wasteful number, since it uses less digits than its factorization.

1971699700312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160675 (or 160671 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 1971699700312 in words is "one trillion, nine hundred seventy-one billion, six hundred ninety-nine million, seven hundred thousand, three hundred twelve".