12485139626 has 16 divisors (see below), whose sum is σ = 19861407360. Its totient is φ = 5865858240.

The previous prime is 12485139613. The next prime is 12485139631. The reversal of 12485139626 is 62693158421.

It is a super-2 number, since 2×12485139626² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 275570 + ... + 317661.

It is an arithmetic number, because the mean of its divisors is an integer number (1241337960).

Almost surely, 2^12485139626 is an apocalyptic number.

12485139626 is a deficient number, since it is larger than the sum of its proper divisors (7376267734).

12485139626 is a wasteful number, since it uses less digits than its factorization.

12485139626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593869.

The product of its digits is 622080, while the sum is 47.

The spelling of 12485139626 in words is "twelve billion, four hundred eighty-five million, one hundred thirty-nine thousand, six hundred twenty-six".