120012515587 has 2 divisors, whose sum is σ = 120012515588. Its totient is φ = 120012515586.

The previous prime is 120012515561. The next prime is 120012515657. The reversal of 120012515587 is 785515210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012515587 - 2²⁷ = 119878297859 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012515527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006257793 + 60006257794.

It is an arithmetic number, because the mean of its divisors is an integer number (60006257794).

Almost surely, 2^120012515587 is an apocalyptic number.

120012515587 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012515587 is an equidigital number, since it uses as much as digits as its factorization.

120012515587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 37.

The spelling of 120012515587 in words is "one hundred twenty billion, twelve million, five hundred fifteen thousand, five hundred eighty-seven".