233112211312 has 40 divisors (see below), whose sum is σ = 473183063552. Its totient is φ = 111112689600.

The previous prime is 233112211309. The next prime is 233112211337. The reversal of 233112211312 is 213112211332.

It is a super-2 number, since 2×233112211312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474114 + ... + 3540577.

Almost surely, 2^233112211312 is an apocalyptic number.

It is an amenable number.

233112211312 is an abundant number, since it is smaller than the sum of its proper divisors (240070852240).

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

233112211312 is a wasteful number, since it uses less digits than its factorization.

233112211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014797 (or 7014791 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 233112211312 its reverse (213112211332), we get a palindrome (446224422644).

The spelling of 233112211312 in words is "two hundred thirty-three billion, one hundred twelve million, two hundred eleven thousand, three hundred twelve".