10120331231312 has 10 divisors (see below), whose sum is σ = 19608141760698. Its totient is φ = 5060165615648.

The previous prime is 10120331231293. The next prime is 10120331231347. The reversal of 10120331231312 is 21313213302101.

It can be written as a sum of positive squares in only one way, i.e., 6640599148096 + 3479732083216 = 2576936^2 + 1865404^2 .

It is a super-2 number, since 2×10120331231312² (a number of 27 digits) contains 22 as substring.

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, 316260350963 + ... + 316260350994.

Almost surely, 2^{10120331231312} is an apocalyptic number.

It is an amenable number.

10120331231312 is a deficient number, since it is larger than the sum of its proper divisors (9487810529386).

10120331231312 is an equidigital number, since it uses as much as digits as its factorization.

10120331231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632520701965 (or 632520701959 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10120331231312 its reverse (21313213302101), we get a palindrome (31433544533413).

The spelling of 10120331231312 in words is "ten trillion, one hundred twenty billion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred twelve".