122120200087 has 2 divisors, whose sum is σ = 122120200088. Its totient is φ = 122120200086.

The previous prime is 122120199989. The next prime is 122120200099. The reversal of 122120200087 is 780002021221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122120200087 - 2¹⁵ = 122120167319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120240087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060100043 + 61060100044.

It is an arithmetic number, because the mean of its divisors is an integer number (61060100044).

Almost surely, 2^122120200087 is an apocalyptic number.

122120200087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120200087 is an equidigital number, since it uses as much as digits as its factorization.

122120200087 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 25.

The spelling of 122120200087 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred thousand, eighty-seven".