212211112212 has 72 divisors (see below), whose sum is σ = 594781535712. Its totient is φ = 63252187200.

The previous prime is 212211112163. The next prime is 212211112259.

212211112212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212211112212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4368358 + ... + 4416669.

Almost surely, 2^212211112212 is an apocalyptic number.

212211112212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212211112212 is an abundant number, since it is smaller than the sum of its proper divisors (382570423500).

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

212211112212 is a wasteful number, since it uses less digits than its factorization.

212211112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785109 (or 8785104 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

It can be divided in two parts, 212211 and 112212, that added together give a palindrome (324423).

The spelling of 212211112212 in words is "two hundred twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred twelve".