12001311113 has 16 divisors (see below), whose sum is σ = 13139553024. Its totient is φ = 10871015760.

The previous prime is 12001311103. The next prime is 12001311173. The reversal of 12001311113 is 31111310021.

It is a happy number.

It is not a de Polignac number, because 12001311113 - 2⁴ = 12001311097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001311103) 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, 4863506 + ... + 4865972.

It is an arithmetic number, because the mean of its divisors is an integer number (821222064).

Almost surely, 2^12001311113 is an apocalyptic number.

It is an amenable number.

12001311113 is a deficient number, since it is larger than the sum of its proper divisors (1138241911).

12001311113 is a wasteful number, since it uses less digits than its factorization.

12001311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12001311113 its reverse (31111310021), we get a palindrome (43112621134).

The spelling of 12001311113 in words is "twelve billion, one million, three hundred eleven thousand, one hundred thirteen".