8351256381012 has 36 divisors (see below), whose sum is σ = 21239630251840. Its totient is φ = 2766673891152.

The previous prime is 8351256381007. The next prime is 8351256381067. The reversal of 8351256381012 is 2101836521538.

8351256381012 is a `hidden beast` number, since 8 + 3 + 5 + 1 + 2 + 5 + 638 + 1 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711587212 + ... + 711598947.

Almost surely, 2^{8351256381012} is an apocalyptic number.

It is an amenable number.

8351256381012 is an abundant number, since it is smaller than the sum of its proper divisors (12888373870828).

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

8351256381012 is a wasteful number, since it uses less digits than its factorization.

8351256381012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423186332 (or 1423186327 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 8351256381012 in words is "eight trillion, three hundred fifty-one billion, two hundred fifty-six million, three hundred eighty-one thousand, twelve".