12211011220087 has 2 divisors, whose sum is σ = 12211011220088. Its totient is φ = 12211011220086.

The previous prime is 12211011220049. The next prime is 12211011220099. The reversal of 12211011220087 is 78002211011221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211011220087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211011260087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105505610043 + 6105505610044.

It is an arithmetic number, because the mean of its divisors is an integer number (6105505610044).

Almost surely, 2^{12211011220087} is an apocalyptic number.

12211011220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211011220087 is an equidigital number, since it uses as much as digits as its factorization.

12211011220087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 12211011220087 in words is "twelve trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, eighty-seven".