212220112112 has 20 divisors (see below), whose sum is σ = 411277942896. Its totient is φ = 106083868800.

The previous prime is 212220112109. The next prime is 212220112121. The reversal of 212220112112 is 211211022212.

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, 1569764 + ... + 1699587.

Almost surely, 2^212220112112 is an apocalyptic number.

It is an amenable number.

212220112112 is a deficient number, since it is larger than the sum of its proper divisors (199057830784).

212220112112 is a wasteful number, since it uses less digits than its factorization.

212220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273416 (or 3273410 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212220112112 its reverse (211211022212), we get a palindrome (423431134324).

The spelling of 212220112112 in words is "two hundred twelve billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".