120012311091187 has 2 divisors, whose sum is σ = 120012311091188. Its totient is φ = 120012311091186.

The previous prime is 120012311091149. The next prime is 120012311091193. The reversal of 120012311091187 is 781190113210021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012311091187 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012311091487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006155545593 + 60006155545594.

It is an arithmetic number, because the mean of its divisors is an integer number (60006155545594).

Almost surely, 2^{120012311091187} is an apocalyptic number.

120012311091187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012311091187 is an equidigital number, since it uses as much as digits as its factorization.

120012311091187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 37.

The spelling of 120012311091187 in words is "one hundred twenty trillion, twelve billion, three hundred eleven million, ninety-one thousand, one hundred eighty-seven".