212413204212 has 24 divisors (see below), whose sum is σ = 540688156512. Its totient is φ = 64367637600.

The previous prime is 212413204189. The next prime is 212413204229. The reversal of 212413204212 is 212402314212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804595339 + ... + 804595602.

It is an arithmetic number, because the mean of its divisors is an integer number (22528673188).

Almost surely, 2^212413204212 is an apocalyptic number.

212413204212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212413204212 is an abundant number, since it is smaller than the sum of its proper divisors (328274952300).

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

212413204212 is a wasteful number, since it uses less digits than its factorization.

212413204212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609190959 (or 1609190957 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212413204212 its reverse (212402314212), we get a palindrome (424815518424).

Subtracting from 212413204212 its reverse (212402314212), we obtain a square (10890000 = 3300²).

The spelling of 212413204212 in words is "two hundred twelve billion, four hundred thirteen million, two hundred four thousand, two hundred twelve".