120919201999 has 2 divisors, whose sum is σ = 120919202000. Its totient is φ = 120919201998.

The previous prime is 120919201987. The next prime is 120919202011. The reversal of 120919201999 is 999102919021.

It is a balanced prime because it is at equal distance from previous prime (120919201987) and next prime (120919202011).

It is a cyclic number.

It is not a de Polignac number, because 120919201999 - 2¹³ = 120919193807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120919201979) 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, 60459600999 + 60459601000.

It is an arithmetic number, because the mean of its divisors is an integer number (60459601000).

Almost surely, 2^120919201999 is an apocalyptic number.

120919201999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120919201999 is an equidigital number, since it uses as much as digits as its factorization.

120919201999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 120919201999 in words is "one hundred twenty billion, nine hundred nineteen million, two hundred one thousand, nine hundred ninety-nine".