212022112 has 24 divisors (see below), whose sum is σ = 418178376. Its totient is φ = 105818112.

The previous prime is 212022091. The next prime is 212022143. The reversal of 212022112 is 211220212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212022092 and 212022101.

It is a congruent number.

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, 12723 + ... + 24205.

It is an arithmetic number, because the mean of its divisors is an integer number (17424099).

Almost surely, 2^212022112 is an apocalyptic number.

It is an amenable number.

212022112 is a deficient number, since it is larger than the sum of its proper divisors (206156264).

212022112 is a wasteful number, since it uses less digits than its factorization.

212022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12070 (or 12062 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212022112 is about 14560.9790879597. The cubic root of 212022112 is about 596.2939258601.

Adding to 212022112 its reverse (211220212), we get a palindrome (423242324).

The spelling of 212022112 in words is "two hundred twelve million, twenty-two thousand, one hundred twelve".