12112321010 has 16 divisors (see below), whose sum is σ = 21803434200. Its totient is φ = 4844649216.

The previous prime is 12112321003. The next prime is 12112321051. The reversal of 12112321010 is 1012321121.

It can be written as a sum of positive squares in 4 ways, for example, as 12078669409 + 33651601 = 109903^2 + 5801^2 .

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, 304346 + ... + 341834.

Almost surely, 2^12112321010 is an apocalyptic number.

12112321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112321010 is a deficient number, since it is larger than the sum of its proper divisors (9691113190).

12112321010 is a wasteful number, since it uses less digits than its factorization.

12112321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69805.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12112321010 its reverse (1012321121), we get a palindrome (13124642131).

The spelling of 12112321010 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, ten".