233220311133212 has 12 divisors (see below), whose sum is σ = 439530586366536. Its totient is φ = 107640143599920.

The previous prime is 233220311133151. The next prime is 233220311133233. The reversal of 233220311133212 is 212331113022332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242502991614 + ... + 2242502991717.

It is an arithmetic number, because the mean of its divisors is an integer number (36627548863878).

Almost surely, 2^{233220311133212} is an apocalyptic number.

It is an amenable number.

233220311133212 is a deficient number, since it is larger than the sum of its proper divisors (206310275233324).

233220311133212 is a wasteful number, since it uses less digits than its factorization.

233220311133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485005983348 (or 4485005983346 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 233220311133212 its reverse (212331113022332), we get a palindrome (445551424155544).

The spelling of 233220311133212 in words is "two hundred thirty-three trillion, two hundred twenty billion, three hundred eleven million, one hundred thirty-three thousand, two hundred twelve".