212323202323212 has 36 divisors (see below), whose sum is σ = 501461645746040. Its totient is φ = 69921697123392.

The previous prime is 212323202323181. The next prime is 212323202323213.

It is a happy number.

212323202323212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212323202323212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212323202323212.

It is not an unprimeable number, because it can be changed into a prime (212323202323213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284109537 + ... + 1284274872.

Almost surely, 2^{212323202323212} is an apocalyptic number.

It is an amenable number.

212323202323212 is an abundant number, since it is smaller than the sum of its proper divisors (289138443422828).

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

212323202323212 is a wasteful number, since it uses less digits than its factorization.

212323202323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568384582 (or 2568384497 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 21232320 and 2323212, that added together give a palindrome (23555532).

The spelling of 212323202323212 in words is "two hundred twelve trillion, three hundred twenty-three billion, two hundred two million, three hundred twenty-three thousand, two hundred twelve".