12271116413 has 4 divisors (see below), whose sum is σ = 12344596320. Its totient is φ = 12197636508.

The previous prime is 12271116379. The next prime is 12271116421. The reversal of 12271116413 is 31461117221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31461117221 = 42499 ⋅740279.

It is a cyclic number.

It is not a de Polignac number, because 12271116413 - 2⁶ = 12271116349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12271116493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36739703 + ... + 36740036.

It is an arithmetic number, because the mean of its divisors is an integer number (3086149080).

Almost surely, 2^12271116413 is an apocalyptic number.

It is an amenable number.

12271116413 is a deficient number, since it is larger than the sum of its proper divisors (73479907).

12271116413 is an equidigital number, since it uses as much as digits as its factorization.

12271116413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73479906.

The product of its digits is 2016, while the sum is 29.

The spelling of 12271116413 in words is "twelve billion, two hundred seventy-one million, one hundred sixteen thousand, four hundred thirteen".