12210021200087 has 2 divisors, whose sum is σ = 12210021200088. Its totient is φ = 12210021200086.

The previous prime is 12210021199963. The next prime is 12210021200119. The reversal of 12210021200087 is 78000212001221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12210021200087 - 2¹⁰ = 12210021199063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210021200987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105010600043 + 6105010600044.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010600044).

Almost surely, 2^{12210021200087} is an apocalyptic number.

12210021200087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210021200087 is an equidigital number, since it uses as much as digits as its factorization.

12210021200087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The spelling of 12210021200087 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred thousand, eighty-seven".