12112101211210 has 160 divisors (see below), whose sum is σ = 29516108146560. Its totient is φ = 3484796515200.

The previous prime is 12112101211153. The next prime is 12112101211237. The reversal of 12112101211210 is 1211210121121.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12868765 + ... + 13777855.

It is an arithmetic number, because the mean of its divisors is an integer number (184475675916).

Almost surely, 2^{12112101211210} is an apocalyptic number.

12112101211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112101211210 is an abundant number, since it is smaller than the sum of its proper divisors (17404006935350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112101211210 is an equidigital number, since it uses as much as digits as its factorization.

12112101211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909162 (or 909129 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12112101211210 its reverse (1211210121121), we get a palindrome (13323311332331).

The spelling of 12112101211210 in words is "twelve trillion, one hundred twelve billion, one hundred one million, two hundred eleven thousand, two hundred ten".