12112031210 has 16 divisors (see below), whose sum is σ = 21806627976. Its totient is φ = 4843707648.

The previous prime is 12112031207. The next prime is 12112031227. The reversal of 12112031210 is 1213021121.

It can be written as a sum of positive squares in 4 ways, for example, as 11665512049 + 446519161 = 108007^2 + 21131^2 .

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, 91307 + ... + 180446.

Almost surely, 2^12112031210 is an apocalyptic number.

12112031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112031210 is a deficient number, since it is larger than the sum of its proper divisors (9694596766).

12112031210 is a wasteful number, since it uses less digits than its factorization.

12112031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276217.

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

Adding to 12112031210 its reverse (1213021121), we get a palindrome (13325052331).

The spelling of 12112031210 in words is "twelve billion, one hundred twelve million, thirty-one thousand, two hundred ten".