112120012242 has 80 divisors (see below), whose sum is σ = 291166330752. Its totient is φ = 31583079360.

The previous prime is 112120012241. The next prime is 112120012271. The reversal of 112120012242 is 242210021211.

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

It is not an unprimeable number, because it can be changed into a prime (112120012241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 615763 + ... + 776790.

Almost surely, 2^112120012242 is an apocalyptic number.

112120012242 is an abundant number, since it is smaller than the sum of its proper divisors (179046318510).

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

112120012242 is a wasteful number, since it uses less digits than its factorization.

112120012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392645 (or 1392636 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112120012242 its reverse (242210021211), we get a palindrome (354330033453).

The spelling of 112120012242 in words is "one hundred twelve billion, one hundred twenty million, twelve thousand, two hundred forty-two".