12077287291 has 2 divisors, whose sum is σ = 12077287292. Its totient is φ = 12077287290.

The previous prime is 12077287289. The next prime is 12077287331. The reversal of 12077287291 is 19278277021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12077287291 - 2¹ = 12077287289 is a prime.

Together with 12077287289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12077287591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6038643645 + 6038643646.

It is an arithmetic number, because the mean of its divisors is an integer number (6038643646).

Almost surely, 2^12077287291 is an apocalyptic number.

12077287291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12077287291 is an equidigital number, since it uses as much as digits as its factorization.

12077287291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 12077287291 in words is "twelve billion, seventy-seven million, two hundred eighty-seven thousand, two hundred ninety-one".