212013235204 has 48 divisors (see below), whose sum is σ = 390658665600. Its totient is φ = 100483358976.

The previous prime is 212013235171. The next prime is 212013235207. The reversal of 212013235204 is 402532310212.

It is a super-2 number, since 2×212013235204² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212013235207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5454912 + ... + 5493640.

It is an arithmetic number, because the mean of its divisors is an integer number (8138722200).

Almost surely, 2^212013235204 is an apocalyptic number.

It is an amenable number.

212013235204 is a deficient number, since it is larger than the sum of its proper divisors (178645430396).

212013235204 is a wasteful number, since it uses less digits than its factorization.

212013235204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39292 (or 39290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 212013235204 its reverse (402532310212), we get a palindrome (614545545416).

The spelling of 212013235204 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, two hundred four".