121320013031313 has 16 divisors (see below), whose sum is σ = 165523629722880. Its totient is φ = 78998242320144.

The previous prime is 121320013031303. The next prime is 121320013031339. The reversal of 121320013031313 is 313130310023121.

It is not a de Polignac number, because 121320013031313 - 2⁵ = 121320013031281 is a prime.

It is a super-2 number, since 2×121320013031313² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121320013031303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7380970 + ... + 17237132.

It is an arithmetic number, because the mean of its divisors is an integer number (10345226857680).

Almost surely, 2^{121320013031313} is an apocalyptic number.

It is an amenable number.

121320013031313 is a deficient number, since it is larger than the sum of its proper divisors (44203616691567).

121320013031313 is an equidigital number, since it uses as much as digits as its factorization.

121320013031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951628.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 121320013031313 its reverse (313130310023121), we get a palindrome (434450323054434).

The spelling of 121320013031313 in words is "one hundred twenty-one trillion, three hundred twenty billion, thirteen million, thirty-one thousand, three hundred thirteen".