233011231213212 has 36 divisors (see below), whose sum is σ = 589503601761256. Its totient is φ = 77604082115040.

The previous prime is 233011231213153. The next prime is 233011231213213. The reversal of 233011231213212 is 212312132110332.

233011231213212 is a `hidden beast` number, since 2 + 3 + 3 + 0 + 1 + 1 + 231 + 213 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233011231213213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2763635983 + ... + 2763720294.

Almost surely, 2^{233011231213212} is an apocalyptic number.

It is an amenable number.

233011231213212 is an abundant number, since it is smaller than the sum of its proper divisors (356492370548044).

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

233011231213212 is a wasteful number, since it uses less digits than its factorization.

233011231213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527357458 (or 5527357453 counting only the distinct ones).

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

Adding to 233011231213212 its reverse (212312132110332), we get a palindrome (445323363323544).

The spelling of 233011231213212 in words is "two hundred thirty-three trillion, eleven billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred twelve".