12042219947 has 2 divisors, whose sum is σ = 12042219948. Its totient is φ = 12042219946.

The previous prime is 12042219919. The next prime is 12042219967. The reversal of 12042219947 is 74991224021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12042219947 - 2³⁰ = 10968478123 is a prime.

It is a super-2 number, since 2×12042219947² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12042219967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021109973 + 6021109974.

It is an arithmetic number, because the mean of its divisors is an integer number (6021109974).

Almost surely, 2^12042219947 is an apocalyptic number.

12042219947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042219947 is an equidigital number, since it uses as much as digits as its factorization.

12042219947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 12042219947 in words is "twelve billion, forty-two million, two hundred nineteen thousand, nine hundred forty-seven".