212000001012112 has 20 divisors (see below), whose sum is σ = 415698797167920. Its totient is φ = 104722892065568.

The previous prime is 212000001012097. The next prime is 212000001012113. The reversal of 212000001012112 is 211210100000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000001012092 and 212000001012101.

It is not an unprimeable number, because it can be changed into a prime (212000001012113) 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, 79819276162 + ... + 79819278817.

It is an arithmetic number, because the mean of its divisors is an integer number (20784939858396).

Almost surely, 2^{212000001012112} is an apocalyptic number.

It is an amenable number.

212000001012112 is a deficient number, since it is larger than the sum of its proper divisors (203698796155808).

212000001012112 is a wasteful number, since it uses less digits than its factorization.

212000001012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159638555070 (or 159638555064 counting only the distinct ones).

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

Adding to 212000001012112 its reverse (211210100000212), we get a palindrome (423210101012324).

The spelling of 212000001012112 in words is "two hundred twelve trillion, one million, twelve thousand, one hundred twelve".