12116770291 has 2 divisors, whose sum is σ = 12116770292. Its totient is φ = 12116770290.

The previous prime is 12116770241. The next prime is 12116770301. The reversal of 12116770291 is 19207761121.

It is a strong prime.

It is an emirp because it is prime and its reverse (19207761121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12116770291 - 2⁷ = 12116770163 is a prime.

It is a super-2 number, since 2×12116770291² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12116770291.

It is not a weakly prime, because it can be changed into another prime (12116770241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058385145 + 6058385146.

It is an arithmetic number, because the mean of its divisors is an integer number (6058385146).

Almost surely, 2^12116770291 is an apocalyptic number.

12116770291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12116770291 is an equidigital number, since it uses as much as digits as its factorization.

12116770291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 37.

The spelling of 12116770291 in words is "twelve billion, one hundred sixteen million, seven hundred seventy thousand, two hundred ninety-one".