112112121211210 has 32 divisors (see below), whose sum is σ = 202080026783232. Its totient is φ = 44783066931840.

The previous prime is 112112121211199. The next prime is 112112121211219. The reversal of 112112121211210 is 12112121211211.

It is not an unprimeable number, because it can be changed into a prime (112112121211219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18414747 + ... + 23734513.

It is an arithmetic number, because the mean of its divisors is an integer number (6315000836976).

Almost surely, 2^{112112121211210} is an apocalyptic number.

112112121211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112112121211210 is a deficient number, since it is larger than the sum of its proper divisors (89967905572022).

112112121211210 is a wasteful number, since it uses less digits than its factorization.

112112121211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322678.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112112121211210 its reverse (12112121211211), we get a palindrome (124224242422421).

Subtracting from 112112121211210 its reverse (12112121211211), we obtain a palindrome (99999999999999).

The spelling of 112112121211210 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred ten".