12488714978 has 16 divisors (see below), whose sum is σ = 18787192704. Its totient is φ = 6226343760.

The previous prime is 12488714941. The next prime is 12488714993. The reversal of 12488714978 is 87941788421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063676 + ... + 1075352.

It is an arithmetic number, because the mean of its divisors is an integer number (1174199544).

Almost surely, 2^12488714978 is an apocalyptic number.

12488714978 is a deficient number, since it is larger than the sum of its proper divisors (6298477726).

12488714978 is a wasteful number, since it uses less digits than its factorization.

12488714978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177.

The product of its digits is 7225344, while the sum is 59.

The spelling of 12488714978 in words is "twelve billion, four hundred eighty-eight million, seven hundred fourteen thousand, nine hundred seventy-eight".