12042304979 has 4 divisors (see below), whose sum is σ = 12044352984. Its totient is φ = 12040256976.

The previous prime is 12042304949. The next prime is 12042305021. The reversal of 12042304979 is 97940324021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97940324021 = 31 ⋅3159365291.

It is a cyclic number.

It is not a de Polignac number, because 12042304979 - 2¹² = 12042300883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042304949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015157 + ... + 1026950.

It is an arithmetic number, because the mean of its divisors is an integer number (3011088246).

Almost surely, 2^12042304979 is an apocalyptic number.

12042304979 is a deficient number, since it is larger than the sum of its proper divisors (2048005).

12042304979 is an equidigital number, since it uses as much as digits as its factorization.

12042304979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048004.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 12042304979 in words is "twelve billion, forty-two million, three hundred four thousand, nine hundred seventy-nine".