112012210000020 has 192 divisors, whose sum is σ = 342369992853504. Its totient is φ = 27136735188480.

The previous prime is 112012209999983. The next prime is 112012210000043. The reversal of 112012210000020 is 20000012210211.

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 = 112012209999960 and 112012210000005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8735251329 + ... + 8735264151.

It is an arithmetic number, because the mean of its divisors is an integer number (1783177046112).

Almost surely, 2^{112012210000020} is an apocalyptic number.

112012210000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012210000020 is an abundant number, since it is smaller than the sum of its proper divisors (230357782853484).

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

112012210000020 is a wasteful number, since it uses less digits than its factorization.

112012210000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20462 (or 20460 counting only the distinct ones).

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

Adding to 112012210000020 its reverse (20000012210211), we get a palindrome (132012222210231).

The spelling of 112012210000020 in words is "one hundred twelve trillion, twelve billion, two hundred ten million, twenty", and thus it is an aban number.