12113123210 has 32 divisors (see below), whose sum is σ = 22517789184. Its totient is φ = 4686696000.

The previous prime is 12113123173. The next prime is 12113123249. The reversal of 12113123210 is 1232131121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729905 + ... + 746315.

It is an arithmetic number, because the mean of its divisors is an integer number (703680912).

Almost surely, 2^12113123210 is an apocalyptic number.

12113123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113123210 is a deficient number, since it is larger than the sum of its proper divisors (10404665974).

12113123210 is a wasteful number, since it uses less digits than its factorization.

12113123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12113123210 its reverse (1232131121), we get a palindrome (13345254331).

The spelling of 12113123210 in words is "twelve billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred ten".