79123012 has 24 divisors (see below), whose sum is σ = 141674400. Its totient is φ = 38653056.

The previous prime is 79123007. The next prime is 79123019. The reversal of 79123012 is 21032197.

It is not an unprimeable number, because it can be changed into a prime (79123019) 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, 41308 + ... + 43180.

It is an arithmetic number, because the mean of its divisors is an integer number (5903100).

Almost surely, 2^79123012 is an apocalyptic number.

It is an amenable number.

79123012 is a deficient number, since it is larger than the sum of its proper divisors (62551388).

79123012 is a wasteful number, since it uses less digits than its factorization.

79123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 79123012 is about 8895.1116912605. Note that the first 3 decimals coincide. The cubic root of 79123012 is about 429.3066381196.

The spelling of 79123012 in words is "seventy-nine million, one hundred twenty-three thousand, twelve".