7051212816 has 40 divisors (see below), whose sum is σ = 19174353120. Its totient is φ = 2226698496.

The previous prime is 7051212811. The next prime is 7051212823. The reversal of 7051212816 is 6182121507.

It is not an unprimeable number, because it can be changed into a prime (7051212811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3864885 + ... + 3866708.

It is an arithmetic number, because the mean of its divisors is an integer number (479358828).

Almost surely, 2^7051212816 is an apocalyptic number.

7051212816 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7051212816 is an abundant number, since it is smaller than the sum of its proper divisors (12123140304).

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

7051212816 is a wasteful number, since it uses less digits than its factorization.

7051212816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731623 (or 7731617 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 7051212816 is about 83971.5000223290. The cubic root of 7051212816 is about 1917.5849278848.

The spelling of 7051212816 in words is "seven billion, fifty-one million, two hundred twelve thousand, eight hundred sixteen".