12156413606 has 16 divisors (see below), whose sum is σ = 19432272384. Its totient is φ = 5690235144.

The previous prime is 12156413593. The next prime is 12156413611. The reversal of 12156413606 is 60631465121.

It is a congruent 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, 2809220 + ... + 2813543.

It is an arithmetic number, because the mean of its divisors is an integer number (1214517024).

Almost surely, 2^12156413606 is an apocalyptic number.

12156413606 is a deficient number, since it is larger than the sum of its proper divisors (7275858778).

12156413606 is a wasteful number, since it uses less digits than its factorization.

12156413606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622835.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 12156413606 its reverse (60631465121), we get a palindrome (72787878727).

The spelling of 12156413606 in words is "twelve billion, one hundred fifty-six million, four hundred thirteen thousand, six hundred six".