12001231112311 has 8 divisors (see below), whose sum is σ = 14312027165184. Its totient is φ = 9839518675800.

The previous prime is 12001231112291. The next prime is 12001231112317. The reversal of 12001231112311 is 11321113210021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001231112311 - 2⁵ = 12001231112279 is a prime.

It is a super-2 number, since 2×12001231112311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231112317) 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, 37270903915 + ... + 37270904236.

It is an arithmetic number, because the mean of its divisors is an integer number (1789003395648).

Almost surely, 2^{12001231112311} is an apocalyptic number.

12001231112311 is a deficient number, since it is larger than the sum of its proper divisors (2310796052873).

12001231112311 is an equidigital number, since it uses as much as digits as its factorization.

12001231112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74541808181.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12001231112311 its reverse (11321113210021), we get a palindrome (23322344322332).

The spelling of 12001231112311 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred twelve thousand, three hundred eleven".