2133221312 has 14 divisors (see below), whose sum is σ = 4233111168. Its totient is φ = 1066610624.

The previous prime is 2133221309. The next prime is 2133221323. The reversal of 2133221312 is 2131223312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665728 + ... + 16665855.

Almost surely, 2^2133221312 is an apocalyptic number.

It is an amenable number.

2133221312 is a deficient number, since it is larger than the sum of its proper divisors (2099889856).

2133221312 is an equidigital number, since it uses as much as digits as its factorization.

2133221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33331595 (or 33331585 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2133221312 is about 46186.8088527450. The cubic root of 2133221312 is about 1287.2966467031.

Adding to 2133221312 its reverse (2131223312), we get a palindrome (4264444624).

The spelling of 2133221312 in words is "two billion, one hundred thirty-three million, two hundred twenty-one thousand, three hundred twelve".