233340012 has 18 divisors (see below), whose sum is σ = 589831788. Its totient is φ = 77779992.

The previous prime is 233339993. The next prime is 233340013. The reversal of 233340012 is 210043332.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×233340012² = 108895122400320288, which contains 22 as substring.

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 (233340013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3240798 + ... + 3240869.

Almost surely, 2^233340012 is an apocalyptic number.

It is an amenable number.

233340012 is an abundant number, since it is smaller than the sum of its proper divisors (356491776).

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

233340012 is a wasteful number, since it uses less digits than its factorization.

233340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481677 (or 6481672 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 233340012 is about 15275.4709256376. The cubic root of 233340012 is about 615.6441238685.

Adding to 233340012 its reverse (210043332), we get a palindrome (443383344).

The spelling of 233340012 in words is "two hundred thirty-three million, three hundred forty thousand, twelve".