33312130120 has 16 divisors (see below), whose sum is σ = 74952292860. Its totient is φ = 13324852032.

The previous prime is 33312130091. The next prime is 33312130127. The reversal of 33312130120 is 2103121333.

It can be written as a sum of positive squares in 2 ways, for example, as 32010219396 + 1301910724 = 178914^2 + 36082^2 .

It is a super-2 number, since 2×33312130120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33312130127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416401587 + ... + 416401666.

Almost surely, 2^33312130120 is an apocalyptic number.

It is an amenable number.

33312130120 is an abundant number, since it is smaller than the sum of its proper divisors (41640162740).

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

33312130120 is a wasteful number, since it uses less digits than its factorization.

33312130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832803264 (or 832803260 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33312130120 its reverse (2103121333), we get a palindrome (35415251453).

The spelling of 33312130120 in words is "thirty-three billion, three hundred twelve million, one hundred thirty thousand, one hundred twenty".