12042342049 has 2 divisors, whose sum is σ = 12042342050. Its totient is φ = 12042342048.

The previous prime is 12042341953. The next prime is 12042342077. The reversal of 12042342049 is 94024324021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11972736400 + 69605649 = 109420^2 + 8343^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042342049 - 2⁷ = 12042341921 is a prime.

It is a super-2 number, since 2×12042342049² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12042342049.

It is not a weakly prime, because it can be changed into another prime (12042342149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021171024 + 6021171025.

It is an arithmetic number, because the mean of its divisors is an integer number (6021171025).

Almost surely, 2^12042342049 is an apocalyptic number.

It is an amenable number.

12042342049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042342049 is an equidigital number, since it uses as much as digits as its factorization.

12042342049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 12042342049 in words is "twelve billion, forty-two million, three hundred forty-two thousand, forty-nine".