12451512506 has 16 divisors (see below), whose sum is σ = 19158719616. Its totient is φ = 6066440256.

The previous prime is 12451512503. The next prime is 12451512527. The reversal of 12451512506 is 60521515421.

It is not an unprimeable number, because it can be changed into a prime (12451512503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270431 + ... + 313106.

It is an arithmetic number, because the mean of its divisors is an integer number (1197419976).

Almost surely, 2^12451512506 is an apocalyptic number.

12451512506 is a deficient number, since it is larger than the sum of its proper divisors (6707207110).

12451512506 is a wasteful number, since it uses less digits than its factorization.

12451512506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583813.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 12451512506 in words is "twelve billion, four hundred fifty-one million, five hundred twelve thousand, five hundred six".