1956678190712 has 32 divisors (see below), whose sum is σ = 4209196583520. Its totient is φ = 835313418240.

The previous prime is 1956678190679. The next prime is 1956678190723. The reversal of 1956678190712 is 2170918766591.

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, 67963589 + ... + 67992372.

It is an arithmetic number, because the mean of its divisors is an integer number (131537393235).

Almost surely, 2^{1956678190712} is an apocalyptic number.

It is an amenable number.

1956678190712 is an abundant number, since it is smaller than the sum of its proper divisors (2252518392808).

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

1956678190712 is a wasteful number, since it uses less digits than its factorization.

1956678190712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135956231 (or 135956227 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 62.

The spelling of 1956678190712 in words is "one trillion, nine hundred fifty-six billion, six hundred seventy-eight million, one hundred ninety thousand, seven hundred twelve".