233100000000012 has 12 divisors (see below), whose sum is σ = 543900000000056. Its totient is φ = 77700000000000.

The previous prime is 233100000000001. The next prime is 233100000000013. The reversal of 233100000000012 is 210000000001332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×233100000000012² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 19425000000001 = 233100000000012 / (2 + 3 + 3 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (233100000000013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9712499999989 + ... + 9712500000012.

Almost surely, 2^{233100000000012} is an apocalyptic number.

It is an amenable number.

233100000000012 is an abundant number, since it is smaller than the sum of its proper divisors (310800000000044).

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

233100000000012 is a wasteful number, since it uses less digits than its factorization.

233100000000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425000000008 (or 19425000000006 counting only the distinct ones).

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

Adding to 233100000000012 its reverse (210000000001332), we get a palindrome (443100000001344).

The spelling of 233100000000012 in words is "two hundred thirty-three trillion, one hundred billion, twelve", and thus it is an aban number.