120021220200187 has 2 divisors, whose sum is σ = 120021220200188. Its totient is φ = 120021220200186.

The previous prime is 120021220200163. The next prime is 120021220200241. The reversal of 120021220200187 is 781002022120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021220200187 - 2¹⁹ = 120021219675899 is a prime.

It is not a weakly prime, because it can be changed into another prime (120021220200487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010610100093 + 60010610100094.

It is an arithmetic number, because the mean of its divisors is an integer number (60010610100094).

Almost surely, 2^{120021220200187} is an apocalyptic number.

120021220200187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021220200187 is an equidigital number, since it uses as much as digits as its factorization.

120021220200187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 120021220200187 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty million, two hundred thousand, one hundred eighty-seven".