12542208899 has 12 divisors (see below), whose sum is σ = 13798425480. Its totient is φ = 11391784800.

The previous prime is 12542208851. The next prime is 12542208907. The reversal of 12542208899 is 99880224521.

It is a de Polignac number, because none of the positive numbers 2^k-12542208899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542208839) 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 11 ways as a sum of consecutive naturals, for example, 90704 + ... + 182514.

It is an arithmetic number, because the mean of its divisors is an integer number (1149868790).

Almost surely, 2^12542208899 is an apocalyptic number.

12542208899 is a deficient number, since it is larger than the sum of its proper divisors (1256216581).

12542208899 is a wasteful number, since it uses less digits than its factorization.

12542208899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92962 (or 92951 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 12542208899 in words is "twelve billion, five hundred forty-two million, two hundred eight thousand, eight hundred ninety-nine".