2133212320 has 24 divisors (see below), whose sum is σ = 5039714484. Its totient is φ = 853284864.

The previous prime is 2133212293. The next prime is 2133212339. The reversal of 2133212320 is 232123312.

It can be written as a sum of positive squares in 2 ways, for example, as 2120049936 + 13162384 = 46044^2 + 3628^2 .

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, 6666129 + ... + 6666448.

Almost surely, 2^2133212320 is an apocalyptic number.

2133212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133212320 is an abundant number, since it is smaller than the sum of its proper divisors (2906502164).

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

2133212320 is a wasteful number, since it uses less digits than its factorization.

2133212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332592 (or 13332584 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2133212320 is about 46186.7115088312. The cubic root of 2133212320 is about 1287.2948379538.

Adding to 2133212320 its reverse (232123312), we get a palindrome (2365335632).

The spelling of 2133212320 in words is "two billion, one hundred thirty-three million, two hundred twelve thousand, three hundred twenty".