7951523212 has 12 divisors (see below), whose sum is σ = 13916439040. Its totient is φ = 3975397776.

The previous prime is 7951523191. The next prime is 7951523227. The reversal of 7951523212 is 2123251597.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38412 + ... + 131827.

Almost surely, 2^7951523212 is an apocalyptic number.

It is an amenable number.

7951523212 is a deficient number, since it is larger than the sum of its proper divisors (5964915828).

7951523212 is a wasteful number, since it uses less digits than its factorization.

7951523212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181920 (or 181918 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 7951523212 is about 89171.3138402704. The cubic root of 7951523212 is about 1995.9520803673.

The spelling of 7951523212 in words is "seven billion, nine hundred fifty-one million, five hundred twenty-three thousand, two hundred twelve".