112120133220 has 72 divisors (see below), whose sum is σ = 340842183864. Its totient is φ = 29833256448.

The previous prime is 112120133137. The next prime is 112120133233. The reversal of 112120133220 is 22331021211.

112120133220 is a `hidden beast` number, since 112 + 1 + 201 + 332 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7641207396 + 104478925824 = 87414^2 + 323232^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 112120133193 and 112120133202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599239 + ... + 763758.

Almost surely, 2^112120133220 is an apocalyptic number.

112120133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120133220 is an abundant number, since it is smaller than the sum of its proper divisors (228722050644).

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

112120133220 is a wasteful number, since it uses less digits than its factorization.

112120133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363469 (or 1363464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112120133220 its reverse (22331021211), we get a palindrome (134451154431).

The spelling of 112120133220 in words is "one hundred twelve billion, one hundred twenty million, one hundred thirty-three thousand, two hundred twenty".