233133012 has 96 divisors (see below), whose sum is σ = 697132800. Its totient is φ = 65995776.

The previous prime is 233133007. The next prime is 233133023. The reversal of 233133012 is 210331332.

233133012 is a `hidden beast` number, since 2 + 331 + 330 + 1 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84064 + ... + 86792.

It is an arithmetic number, because the mean of its divisors is an integer number (7261800).

Almost surely, 2^233133012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233133012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348566400).

233133012 is an abundant number, since it is smaller than the sum of its proper divisors (463999788).

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

233133012 is a wasteful number, since it uses less digits than its factorization.

233133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 233133012 is about 15268.6938537650. The cubic root of 233133012 is about 615.4620204572.

Adding to 233133012 its reverse (210331332), we get a palindrome (443464344).

The spelling of 233133012 in words is "two hundred thirty-three million, one hundred thirty-three thousand, twelve".