120331232312 has 8 divisors (see below), whose sum is σ = 225621060600. Its totient is φ = 60165616152.

The previous prime is 120331232309. The next prime is 120331232317. The reversal of 120331232312 is 213232133021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120331232317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520702012 + ... + 7520702027.

It is an arithmetic number, because the mean of its divisors is an integer number (28202632575).

Almost surely, 2^120331232312 is an apocalyptic number.

It is an amenable number.

120331232312 is a deficient number, since it is larger than the sum of its proper divisors (105289828288).

120331232312 is a wasteful number, since it uses less digits than its factorization.

120331232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041404045 (or 15041404041 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 120331232312 its reverse (213232133021), we get a palindrome (333563365333).

The spelling of 120331232312 in words is "one hundred twenty billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred twelve".