20010112120012 has 48 divisors (see below), whose sum is σ = 40414236774912. Its totient is φ = 8491353609600.

The previous prime is 20010112119983. The next prime is 20010112120039. The reversal of 20010112120012 is 21002121101002.

It is a super-2 number, since 2×20010112120012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010112119974 and 20010112120001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21023088 + ... + 21954280.

It is an arithmetic number, because the mean of its divisors is an integer number (841963266144).

Almost surely, 2^{20010112120012} is an apocalyptic number.

It is an amenable number.

20010112120012 is an abundant number, since it is smaller than the sum of its proper divisors (20404124654900).

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

20010112120012 is a wasteful number, since it uses less digits than its factorization.

20010112120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938758 (or 938756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20010112120012 its reverse (21002121101002), we get a palindrome (41012233221014).

The spelling of 20010112120012 in words is "twenty trillion, ten billion, one hundred twelve million, one hundred twenty thousand, twelve".