12123011079 has 12 divisors (see below), whose sum is σ = 17512021800. Its totient is φ = 8081543184.

The previous prime is 12123011071. The next prime is 12123011081. The reversal of 12123011079 is 97011032121.

It is not a de Polignac number, because 12123011079 - 2³ = 12123011071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123011071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212677 + ... + 263585.

It is an arithmetic number, because the mean of its divisors is an integer number (1459335150).

Almost surely, 2^12123011079 is an apocalyptic number.

12123011079 is a deficient number, since it is larger than the sum of its proper divisors (5389010721).

12123011079 is a wasteful number, since it uses less digits than its factorization.

12123011079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77374 (or 77371 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The spelling of 12123011079 in words is "twelve billion, one hundred twenty-three million, eleven thousand, seventy-nine".