112120212230020 has 24 divisors (see below), whose sum is σ = 247844679667200. Its totient is φ = 42487659371232.

The previous prime is 112120212230017. The next prime is 112120212230027. The reversal of 112120212230020 is 20032212021211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 112120212230020.

It is not an unprimeable number, because it can be changed into a prime (112120212230027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147526594660 + ... + 147526595419.

It is an arithmetic number, because the mean of its divisors is an integer number (10326861652800).

Almost surely, 2^{112120212230020} is an apocalyptic number.

112120212230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120212230020 is an abundant number, since it is smaller than the sum of its proper divisors (135724467437180).

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

112120212230020 is a wasteful number, since it uses less digits than its factorization.

112120212230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295053190107 (or 295053190105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112120212230020 its reverse (20032212021211), we get a palindrome (132152424251231).

The spelling of 112120212230020 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twelve million, two hundred thirty thousand, twenty".