12001233113 has 4 divisors (see below), whose sum is σ = 12707188020. Its totient is φ = 11295278208.

The previous prime is 12001233109. The next prime is 12001233151. The reversal of 12001233113 is 31133210021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8523536329 + 3477696784 = 92323^2 + 58972^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001233113 - 2² = 12001233109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 705954889 = 12001233113 / (1 + 2 + 0 + 0 + 1 + 2 + 3 + 3 + 1 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001233091 and 12001233100.

It is not an unprimeable number, because it can be changed into a prime (12001239113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352977428 + ... + 352977461.

It is an arithmetic number, because the mean of its divisors is an integer number (3176797005).

Almost surely, 2^12001233113 is an apocalyptic number.

It is an amenable number.

12001233113 is a deficient number, since it is larger than the sum of its proper divisors (705954907).

12001233113 is an equidigital number, since it uses as much as digits as its factorization.

12001233113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705954906.

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

Adding to 12001233113 its reverse (31133210021), we get a palindrome (43134443134).

The spelling of 12001233113 in words is "twelve billion, one million, two hundred thirty-three thousand, one hundred thirteen".