212120012000112 has 40 divisors (see below), whose sum is σ = 550433992303104. Its totient is φ = 70389600391104.

The previous prime is 212120012000069. The next prime is 212120012000123. The reversal of 212120012000112 is 211000210021212.

It is a junction number, because it is equal to n+sod(n) for n = 212120012000091 and 212120012000100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908435298 + ... + 9908456705.

Almost surely, 2^{212120012000112} is an apocalyptic number.

It is an amenable number.

212120012000112 is an abundant number, since it is smaller than the sum of its proper divisors (338313980302992).

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

212120012000112 is a wasteful number, since it uses less digits than its factorization.

212120012000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19816892237 (or 19816892231 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212120012000112 its reverse (211000210021212), we get a palindrome (423120222021324).

The spelling of 212120012000112 in words is "two hundred twelve trillion, one hundred twenty billion, twelve million, one hundred twelve", and thus it is an aban number.