212112119999892 has 144 divisors (see below), whose sum is σ = 606123590856000. Its totient is φ = 57405378917376.

The previous prime is 212112119999881. The next prime is 212112119999893. The reversal of 212112119999892 is 298999911211212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112119999893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74903484 + ... + 77683692.

Almost surely, 2^{212112119999892} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212112119999892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303061795428000).

212112119999892 is an abundant number, since it is smaller than the sum of its proper divisors (394011470856108).

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

212112119999892 is a wasteful number, since it uses less digits than its factorization.

212112119999892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787078 (or 2787069 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 66.

The spelling of 212112119999892 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred nineteen million, nine hundred ninety-nine thousand, eight hundred ninety-two".