12001112313 has 4 divisors (see below), whose sum is σ = 16001483088. Its totient is φ = 8000741540.

The previous prime is 12001112273. The next prime is 12001112317. The reversal of 12001112313 is 31321110021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001112313 - 2¹⁶ = 12001046777 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12001112292 and 12001112301.

It is not an unprimeable number, because it can be changed into a prime (12001112317) 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, 2000185383 + ... + 2000185388.

It is an arithmetic number, because the mean of its divisors is an integer number (4000370772).

Almost surely, 2^12001112313 is an apocalyptic number.

It is an amenable number.

12001112313 is a deficient number, since it is larger than the sum of its proper divisors (4000370775).

12001112313 is an equidigital number, since it uses as much as digits as its factorization.

12001112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000370774.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12001112313 its reverse (31321110021), we get a palindrome (43322222334).

The spelling of 12001112313 in words is "twelve billion, one million, one hundred twelve thousand, three hundred thirteen".