12120031313 has 8 divisors (see below), whose sum is σ = 13151979456. Its totient is φ = 11102317200.

The previous prime is 12120031283. The next prime is 12120031349. The reversal of 12120031313 is 31313002121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12120031313 - 2¹⁶ = 12119965777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120031291 and 12120031300.

It is not an unprimeable number, because it can be changed into a prime (12120031813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556733 + ... + 3560138.

It is an arithmetic number, because the mean of its divisors is an integer number (1643997432).

Almost surely, 2^12120031313 is an apocalyptic number.

12120031313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12120031313 is a deficient number, since it is larger than the sum of its proper divisors (1031948143).

12120031313 is a wasteful number, since it uses less digits than its factorization.

12120031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117015.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12120031313 its reverse (31313002121), we get a palindrome (43433033434).

The spelling of 12120031313 in words is "twelve billion, one hundred twenty million, thirty-one thousand, three hundred thirteen".