12445208506 has 48 divisors (see below), whose sum is σ = 20696356800. Its totient is φ = 5596392384.

The previous prime is 12445208491. The next prime is 12445208533. The reversal of 12445208506 is 60580254421.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2751715 + ... + 2756233.

It is an arithmetic number, because the mean of its divisors is an integer number (431174100).

Almost surely, 2^12445208506 is an apocalyptic number.

12445208506 is a deficient number, since it is larger than the sum of its proper divisors (8251148294).

12445208506 is a wasteful number, since it uses less digits than its factorization.

12445208506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723 (or 4700 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 12445208506 in words is "twelve billion, four hundred forty-five million, two hundred eight thousand, five hundred six".