212022110112 has 24 divisors (see below), whose sum is σ = 556558039296. Its totient is φ = 70674036672.

The previous prime is 212022110107. The next prime is 212022110123. The reversal of 212022110112 is 211011220212.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 212022110091 and 212022110100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104281728 + ... + 1104281919.

It is an arithmetic number, because the mean of its divisors is an integer number (23189918304).

Almost surely, 2^212022110112 is an apocalyptic number.

It is an amenable number.

212022110112 is an abundant number, since it is smaller than the sum of its proper divisors (344535929184).

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

212022110112 is a wasteful number, since it uses less digits than its factorization.

212022110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208563660 (or 2208563652 counting only the distinct ones).

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

Adding to 212022110112 its reverse (211011220212), we get a palindrome (423033330324).

The spelling of 212022110112 in words is "two hundred twelve billion, twenty-two million, one hundred ten thousand, one hundred twelve".