120002122001999 has 8 divisors (see below), whose sum is σ = 122945343765552. Its totient is φ = 117059678368960.

The previous prime is 120002122001953. The next prime is 120002122002001. The reversal of 120002122001999 is 999100221200021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120002122001999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002122003999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194220404 + ... + 194837289.

It is an arithmetic number, because the mean of its divisors is an integer number (15368167970694).

Almost surely, 2^{120002122001999} is an apocalyptic number.

120002122001999 is a deficient number, since it is larger than the sum of its proper divisors (2943221763553).

120002122001999 is an equidigital number, since it uses as much as digits as its factorization.

120002122001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389065257.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 120002122001999 in words is "one hundred twenty trillion, two billion, one hundred twenty-two million, one thousand, nine hundred ninety-nine".