233312100012 has 72 divisors (see below), whose sum is σ = 615799875600. Its totient is φ = 74387150208.

The previous prime is 233312100001. The next prime is 233312100019. The reversal of 233312100012 is 210001213332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (233312100019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932587 + ... + 1156002.

It is an arithmetic number, because the mean of its divisors is an integer number (8552776050).

Almost surely, 2^233312100012 is an apocalyptic number.

It is an amenable number.

233312100012 is an abundant number, since it is smaller than the sum of its proper divisors (382487775588).

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

233312100012 is a wasteful number, since it uses less digits than its factorization.

233312100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088735 (or 2088730 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 233312100012 its reverse (210001213332), we get a palindrome (443313313344).

The spelling of 233312100012 in words is "two hundred thirty-three billion, three hundred twelve million, one hundred thousand, twelve".