213404033323212 has 48 divisors (see below), whose sum is σ = 519899336436480. Its totient is φ = 68001675432768.

The previous prime is 213404033323163. The next prime is 213404033323213. The reversal of 213404033323212 is 212323330404312.

213404033323212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213404033323212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213404033323213) 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, 227885662 + ... + 228820197.

It is an arithmetic number, because the mean of its divisors is an integer number (10831236175760).

Almost surely, 2^{213404033323212} is an apocalyptic number.

It is an amenable number.

213404033323212 is an abundant number, since it is smaller than the sum of its proper divisors (306495303113268).

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

213404033323212 is a wasteful number, since it uses less digits than its factorization.

213404033323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456707582 (or 456707580 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 213404033323212 its reverse (212323330404312), we get a palindrome (425727363727524).

The spelling of 213404033323212 in words is "two hundred thirteen trillion, four hundred four billion, thirty-three million, three hundred twenty-three thousand, two hundred twelve".