12211445087 has 2 divisors, whose sum is σ = 12211445088. Its totient is φ = 12211445086.

The previous prime is 12211445069. The next prime is 12211445203. The reversal of 12211445087 is 78054411221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211445087 - 2⁶ = 12211445023 is a prime.

It is a super-2 number, since 2×12211445087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211445387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105722543 + 6105722544.

It is an arithmetic number, because the mean of its divisors is an integer number (6105722544).

Almost surely, 2^12211445087 is an apocalyptic number.

12211445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211445087 is an equidigital number, since it uses as much as digits as its factorization.

12211445087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 12211445087 in words is "twelve billion, two hundred eleven million, four hundred forty-five thousand, eighty-seven".