233100000012 has 96 divisors (see below), whose sum is σ = 597898232064. Its totient is φ = 70095916800.

The previous prime is 233099999999. The next prime is 233100000013. The reversal of 233100000012 is 210000001332.

It is a happy number.

It is a super-2 number, since 2×233100000012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (233100000013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12481962 + ... + 12500622.

It is an arithmetic number, because the mean of its divisors is an integer number (6228106584).

Almost surely, 2^233100000012 is an apocalyptic number.

233100000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233100000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298949116032).

233100000012 is an abundant number, since it is smaller than the sum of its proper divisors (364798232052).

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

233100000012 is a wasteful number, since it uses less digits than its factorization.

233100000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19399 (or 19397 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 233100000012 its reverse (210000001332), we get a palindrome (443100001344).

The spelling of 233100000012 in words is "two hundred thirty-three billion, one hundred million, twelve", and thus it is an aban number.