70020012516 has 12 divisors (see below), whose sum is σ = 163380029232. Its totient is φ = 23340004168.

The previous prime is 70020012509. The next prime is 70020012521. The reversal of 70020012516 is 61521002007.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917500510 + ... + 2917500533.

It is an arithmetic number, because the mean of its divisors is an integer number (13615002436).

Almost surely, 2^70020012516 is an apocalyptic number.

It is an amenable number.

70020012516 is an abundant number, since it is smaller than the sum of its proper divisors (93360016716).

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

70020012516 is a wasteful number, since it uses less digits than its factorization.

70020012516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835001050 (or 5835001048 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 70020012516 in words is "seventy billion, twenty million, twelve thousand, five hundred sixteen".