120012211087 has 2 divisors, whose sum is σ = 120012211088. Its totient is φ = 120012211086.

The previous prime is 120012211061. The next prime is 120012211133. The reversal of 120012211087 is 780112210021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120012211087 - 2²³ = 120003822479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012911087) 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, 60006105543 + 60006105544.

It is an arithmetic number, because the mean of its divisors is an integer number (60006105544).

Almost surely, 2^120012211087 is an apocalyptic number.

120012211087 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012211087 is an equidigital number, since it uses as much as digits as its factorization.

120012211087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 120012211087 in words is "one hundred twenty billion, twelve million, two hundred eleven thousand, eighty-seven".