12542067699 has 96 divisors (see below), whose sum is σ = 20552716800. Its totient is φ = 6659573760.

The previous prime is 12542067691. The next prime is 12542067719. The reversal of 12542067699 is 99676024521.

It is not a de Polignac number, because 12542067699 - 2³ = 12542067691 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12542067691) 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 95 ways as a sum of consecutive naturals, for example, 84174877 + ... + 84175025.

It is an arithmetic number, because the mean of its divisors is an integer number (214090800).

Almost surely, 2^12542067699 is an apocalyptic number.

12542067699 is a deficient number, since it is larger than the sum of its proper divisors (8010649101).

12542067699 is a wasteful number, since it uses less digits than its factorization.

12542067699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 12542067699 in words is "twelve billion, five hundred forty-two million, sixty-seven thousand, six hundred ninety-nine".