212022211112 has 16 divisors (see below), whose sum is σ = 411249978900. Its totient is φ = 102355550080.

The previous prime is 212022211109. The next prime is 212022211183. The reversal of 212022211112 is 211112220212.

It can be written as a sum of positive squares in 2 ways, for example, as 210198408676 + 1823802436 = 458474^2 + 42706^2 .

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, 456944189 + ... + 456944652.

Almost surely, 2^212022211112 is an apocalyptic number.

It is an amenable number.

212022211112 is a deficient number, since it is larger than the sum of its proper divisors (199227767788).

212022211112 is a wasteful number, since it uses less digits than its factorization.

212022211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913888876 (or 913888872 counting only the distinct ones).

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

Adding to 212022211112 its reverse (211112220212), we get a palindrome (423134431324).

The spelling of 212022211112 in words is "two hundred twelve billion, twenty-two million, two hundred eleven thousand, one hundred twelve".