212112100020112 has 20 divisors (see below), whose sum is σ = 410968399755276. Its totient is φ = 106055738792960.

The previous prime is 212112100020103. The next prime is 212112100020113. The reversal of 212112100020112 is 211020001211212.

212112100020112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55871199887616 + 156240900132496 = 7474704^2 + 12499636^2 .

It is a super-2 number, since 2×212112100020112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (212112100020113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778089 + ... + 24780232.

Almost surely, 2^{212112100020112} is an apocalyptic number.

It is an amenable number.

212112100020112 is a deficient number, since it is larger than the sum of its proper divisors (198856299735164).

212112100020112 is a wasteful number, since it uses less digits than its factorization.

212112100020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38902146 (or 38902140 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212112100020112 its reverse (211020001211212), we get a palindrome (423132101231324).

The spelling of 212112100020112 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred million, twenty thousand, one hundred twelve".