233213031313212 has 12 divisors (see below), whose sum is σ = 544163739730856. Its totient is φ = 77737677104400.

The previous prime is 233213031313201. The next prime is 233213031313219. The reversal of 233213031313212 is 212313130312332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 233213031313212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213031313219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9717209638039 + ... + 9717209638062.

Almost surely, 2^{233213031313212} is an apocalyptic number.

It is an amenable number.

233213031313212 is an abundant number, since it is smaller than the sum of its proper divisors (310950708417644).

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

233213031313212 is a wasteful number, since it uses less digits than its factorization.

233213031313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434419276108 (or 19434419276106 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 233213031313212 its reverse (212313130312332), we get a palindrome (445526161625544).

The spelling of 233213031313212 in words is "two hundred thirty-three trillion, two hundred thirteen billion, thirty-one million, three hundred thirteen thousand, two hundred twelve".