233211012 has 12 divisors (see below), whose sum is σ = 544159056. Its totient is φ = 77737000.

The previous prime is 233211001. The next prime is 233211029. The reversal of 233211012 is 210112332.

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

It is a super-2 number, since 2×233211012² = 108774752236128288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233210982 and 233211000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9717114 + ... + 9717137.

It is an arithmetic number, because the mean of its divisors is an integer number (45346588).

Almost surely, 2^233211012 is an apocalyptic number.

It is an amenable number.

233211012 is an abundant number, since it is smaller than the sum of its proper divisors (310948044).

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

233211012 is a wasteful number, since it uses less digits than its factorization.

233211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434258 (or 19434256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 233211012 is about 15271.2478861421. The cubic root of 233211012 is about 615.5306517854.

Adding to 233211012 its reverse (210112332), we get a palindrome (443323344).

The spelling of 233211012 in words is "two hundred thirty-three million, two hundred eleven thousand, twelve".