7213207512 has 64 divisors (see below), whose sum is σ = 20899468800. Its totient is φ = 2031886080.

The previous prime is 7213207511. The next prime is 7213207549. The reversal of 7213207512 is 2157023127.

It is a super-2 number, since 2×7213207512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7213207512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213207511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290437 + ... + 314292.

It is an arithmetic number, because the mean of its divisors is an integer number (326554200).

Almost surely, 2^7213207512 is an apocalyptic number.

It is an amenable number.

7213207512 is an abundant number, since it is smaller than the sum of its proper divisors (13686261288).

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

7213207512 is a wasteful number, since it uses less digits than its factorization.

7213207512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604816 (or 604812 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7213207512 is about 84930.6040953436. The cubic root of 7213207512 is about 1932.1587621206.

The spelling of 7213207512 in words is "seven billion, two hundred thirteen million, two hundred seven thousand, five hundred twelve".