212213312212 has 12 divisors (see below), whose sum is σ = 405134505216. Its totient is φ = 96460596440.

The previous prime is 212213312183. The next prime is 212213312219.

212213312212 is nontrivially palindromic in base 10.

212213312212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213312219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411514868 + ... + 2411514955.

It is an arithmetic number, because the mean of its divisors is an integer number (33761208768).

Almost surely, 2^212213312212 is an apocalyptic number.

212213312212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212213312212 is a deficient number, since it is larger than the sum of its proper divisors (192921193004).

212213312212 is a wasteful number, since it uses less digits than its factorization.

212213312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823029838 (or 4823029836 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

It can be divided in two parts, 212213 and 312212, that added together give a palindrome (524425).

The spelling of 212213312212 in words is "two hundred twelve billion, two hundred thirteen million, three hundred twelve thousand, two hundred twelve".