12022511287 has 2 divisors, whose sum is σ = 12022511288. Its totient is φ = 12022511286.

The previous prime is 12022511219. The next prime is 12022511297. The reversal of 12022511287 is 78211522021.

It is a strong prime.

It is an emirp because it is prime and its reverse (78211522021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022511287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022511297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011255643 + 6011255644.

It is an arithmetic number, because the mean of its divisors is an integer number (6011255644).

Almost surely, 2^12022511287 is an apocalyptic number.

12022511287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022511287 is an equidigital number, since it uses as much as digits as its factorization.

12022511287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 12022511287 in words is "twelve billion, twenty-two million, five hundred eleven thousand, two hundred eighty-seven".