9215012612 has 12 divisors (see below), whose sum is σ = 17366754636. Its totient is φ = 4253082720.

The previous prime is 9215012593. The next prime is 9215012627. The reversal of 9215012612 is 2162105129.

It can be written as a sum of positive squares in 2 ways, for example, as 1275489796 + 7939522816 = 35714^2 + 89104^2 .

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, 88605839 + ... + 88605942.

It is an arithmetic number, because the mean of its divisors is an integer number (1447229553).

Almost surely, 2^9215012612 is an apocalyptic number.

It is an amenable number.

9215012612 is a deficient number, since it is larger than the sum of its proper divisors (8151742024).

9215012612 is a wasteful number, since it uses less digits than its factorization.

9215012612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177211798 (or 177211796 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 9215012612 is about 95994.8572164155. The cubic root of 9215012612 is about 2096.5182374440.

The spelling of 9215012612 in words is "nine billion, two hundred fifteen million, twelve thousand, six hundred twelve".