213212231121330 has 160 divisors (see below), whose sum is σ = 669145094171136. Its totient is φ = 47697325808256.

The previous prime is 213212231121311. The next prime is 213212231121403. The reversal of 213212231121330 is 33121132212312.

213212231121330 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 12 + 2 + 311 + 2 + 1 + 330 = 666.

213212231121330 is digitally balanced in base 2 and base 4, because in such bases 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 (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213212231121294 and 213212231121303.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 399771469 + ... + 400304448.

Almost surely, 2^{213212231121330} is an apocalyptic number.

213212231121330 is an abundant number, since it is smaller than the sum of its proper divisors (455932863049806).

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

213212231121330 is a wasteful number, since it uses less digits than its factorization.

213212231121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800075990 (or 800075981 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 213212231121330 its reverse (33121132212312), we get a palindrome (246333363333642).

The spelling of 213212231121330 in words is "two hundred thirteen trillion, two hundred twelve billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty".