120012200011987 has 2 divisors, whose sum is σ = 120012200011988. Its totient is φ = 120012200011986.

The previous prime is 120012200011981. The next prime is 120012200012021. The reversal of 120012200011987 is 789110002210021.

It is an a-pointer prime, because the next prime (120012200012021) can be obtained adding 120012200011987 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012200011987 - 2²⁷ = 120012065794259 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012200011981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006100005993 + 60006100005994.

It is an arithmetic number, because the mean of its divisors is an integer number (60006100005994).

Almost surely, 2^{120012200011987} is an apocalyptic number.

120012200011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012200011987 is an equidigital number, since it uses as much as digits as its factorization.

120012200011987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 120012200011987 in words is "one hundred twenty trillion, twelve billion, two hundred million, eleven thousand, nine hundred eighty-seven".