112021001200020 has 96 divisors (see below), whose sum is σ = 345371120994816. Its totient is φ = 26902806275200.

The previous prime is 112021001199977. The next prime is 112021001200021. The reversal of 112021001200020 is 20002100120211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112021001199969 and 112021001200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021001200021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793054566 + ... + 793195805.

It is an arithmetic number, because the mean of its divisors is an integer number (3597615843696).

Almost surely, 2^{112021001200020} is an apocalyptic number.

112021001200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021001200020 is an abundant number, since it is smaller than the sum of its proper divisors (233350119794796).

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

112021001200020 is a wasteful number, since it uses less digits than its factorization.

112021001200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586250501 (or 1586250499 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112021001200020 its reverse (20002100120211), we get a palindrome (132023101320231).

The spelling of 112021001200020 in words is "one hundred twelve trillion, twenty-one billion, one million, two hundred thousand, twenty".