12039487499 has 16 divisors (see below), whose sum is σ = 13809559680. Its totient is φ = 10459612800.

The previous prime is 12039487487. The next prime is 12039487507. The reversal of 12039487499 is 99478493021.

It is a de Polignac number, because none of the positive numbers 2^k-12039487499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12039487409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123827 + ... + 198524.

It is an arithmetic number, because the mean of its divisors is an integer number (863097480).

Almost surely, 2^12039487499 is an apocalyptic number.

12039487499 is a deficient number, since it is larger than the sum of its proper divisors (1770072181).

12039487499 is an equidigital number, since it uses as much as digits as its factorization.

12039487499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322407 (or 322381 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 12039487499 in words is "twelve billion, thirty-nine million, four hundred eighty-seven thousand, four hundred ninety-nine".