112112120211210 has 144 divisors (see below), whose sum is σ = 339110595181800. Its totient is φ = 25623463686912.

The previous prime is 112112120211181. The next prime is 112112120211253. The reversal of 112112120211210 is 12112021211211.

It is a happy number.

112112120211210 is a `hidden beast` number, since 1 + 12 + 112 + 120 + 211 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 75009439318401 + 37102680892809 = 8660799^2 + 6091197^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 51451336 + ... + 53586044.

Almost surely, 2^{112112120211210} is an apocalyptic number.

112112120211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112112120211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169555297590900).

112112120211210 is an abundant number, since it is smaller than the sum of its proper divisors (226998474970590).

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

112112120211210 is a wasteful number, since it uses less digits than its factorization.

112112120211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146645 (or 2146635 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112112120211210 its reverse (12112021211211), we get a palindrome (124224141422421).

The spelling of 112112120211210 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".