12242545679 has 16 divisors (see below), whose sum is σ = 15375259200. Its totient is φ = 9686406240.

The previous prime is 12242545673. The next prime is 12242545687. The reversal of 12242545679 is 97654524221.

It is a de Polignac number, because none of the positive numbers 2^k-12242545679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242545673) 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 in 15 ways as a sum of consecutive naturals, for example, 1368332 + ... + 1377249.

It is an arithmetic number, because the mean of its divisors is an integer number (960953700).

Almost surely, 2^12242545679 is an apocalyptic number.

12242545679 is a deficient number, since it is larger than the sum of its proper divisors (3132713521).

12242545679 is an equidigital number, since it uses as much as digits as its factorization.

12242545679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745615 (or 2745601 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 12242545679 in words is "twelve billion, two hundred forty-two million, five hundred forty-five thousand, six hundred seventy-nine".