12500435606 has 4 divisors (see below), whose sum is σ = 18750653412. Its totient is φ = 6250217802.

The previous prime is 12500435573. The next prime is 12500435621. The reversal of 12500435606 is 60653400521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60653400521 = 7 ⋅8664771503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125108900 + ... + 3125108903.

It is an arithmetic number, because the mean of its divisors is an integer number (4687663353).

Almost surely, 2^12500435606 is an apocalyptic number.

12500435606 is a deficient number, since it is larger than the sum of its proper divisors (6250217806).

12500435606 is an equidigital number, since it uses as much as digits as its factorization.

12500435606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250217805.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 12500435606 in words is "twelve billion, five hundred million, four hundred thirty-five thousand, six hundred six".