12116640441 has 4 divisors (see below), whose sum is σ = 16155520592. Its totient is φ = 8077760292.

The previous prime is 12116640409. The next prime is 12116640583. The reversal of 12116640441 is 14404661121.

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 not a de Polignac number, because 12116640441 - 2⁵ = 12116640409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12116640399 and 12116640408.

It is not an unprimeable number, because it can be changed into a prime (12116640241) 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, 2019440071 + ... + 2019440076.

It is an arithmetic number, because the mean of its divisors is an integer number (4038880148).

Almost surely, 2^12116640441 is an apocalyptic number.

It is an amenable number.

12116640441 is a deficient number, since it is larger than the sum of its proper divisors (4038880151).

12116640441 is an equidigital number, since it uses as much as digits as its factorization.

12116640441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038880150.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 12116640441 in words is "twelve billion, one hundred sixteen million, six hundred forty thousand, four hundred forty-one".