212022220212 has 72 divisors (see below), whose sum is σ = 600469195872. Its totient is φ = 62512689600.

The previous prime is 212022220181. The next prime is 212022220217.

212022220212 is a `hidden beast` number, since 212 + 0 + 22 + 220 + 212 = 666.

212022220212 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022220217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7220614 + ... + 7249917.

Almost surely, 2^212022220212 is an apocalyptic number.

212022220212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212022220212 is an abundant number, since it is smaller than the sum of its proper divisors (388446975660).

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

212022220212 is a wasteful number, since it uses less digits than its factorization.

212022220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470589 (or 14470584 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 212022 and 220212, that added together give a palindrome (432234).

The spelling of 212022220212 in words is "two hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred twelve".