230220133312 has 28 divisors (see below), whose sum is σ = 491984853976. Its totient is φ = 106255445760.

The previous prime is 230220133309. The next prime is 230220133321. The reversal of 230220133312 is 213331022032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138352614 + ... + 138354277.

It is an arithmetic number, because the mean of its divisors is an integer number (17570887642).

Almost surely, 2^230220133312 is an apocalyptic number.

It is an amenable number.

230220133312 is an abundant number, since it is smaller than the sum of its proper divisors (261764720664).

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

230220133312 is a wasteful number, since it uses less digits than its factorization.

230220133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276706916 (or 276706906 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 230220133312 its reverse (213331022032), we get a palindrome (443551155344).

The spelling of 230220133312 in words is "two hundred thirty billion, two hundred twenty million, one hundred thirty-three thousand, three hundred twelve".