10233312012 has 192 divisors, whose sum is σ = 34218777600. Its totient is φ = 2566287360.

The previous prime is 10233311989. The next prime is 10233312017. The reversal of 10233312012 is 21021333201.

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 (10233312017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219948 + ... + 262380.

It is an arithmetic number, because the mean of its divisors is an integer number (178222800).

Almost surely, 2^10233312012 is an apocalyptic number.

10233312012 is a gapful number since it is divisible by the number (12) 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 10233312012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17109388800).

10233312012 is an abundant number, since it is smaller than the sum of its proper divisors (23985465588).

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

10233312012 is a wasteful number, since it uses less digits than its factorization.

10233312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42493 (or 42485 counting only the distinct ones).

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

Adding to 10233312012 its reverse (21021333201), we get a palindrome (31254645213).

The spelling of 10233312012 in words is "ten billion, two hundred thirty-three million, three hundred twelve thousand, twelve".