12516419308 has 12 divisors (see below), whose sum is σ = 21907533592. Its totient is φ = 6257124000.

The previous prime is 12516419249. The next prime is 12516419323. The reversal of 12516419308 is 80391461521.

12516419308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245193 + ... + 291808.

Almost surely, 2^12516419308 is an apocalyptic number.

It is an amenable number.

12516419308 is a deficient number, since it is larger than the sum of its proper divisors (9391114284).

12516419308 is a wasteful number, since it uses less digits than its factorization.

12516419308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542832 (or 542830 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 12516419308 in words is "twelve billion, five hundred sixteen million, four hundred nineteen thousand, three hundred eight".