120021413999 has 4 divisors (see below), whose sum is σ = 120054636936. Its totient is φ = 119988191064.

The previous prime is 120021413987. The next prime is 120021414011. The reversal of 120021413999 is 999314120021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120021413987) and next prime (120021414011).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021413999 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 (120021412999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16606049 + ... + 16613274.

It is an arithmetic number, because the mean of its divisors is an integer number (30013659234).

Almost surely, 2^120021413999 is an apocalyptic number.

120021413999 is a deficient number, since it is larger than the sum of its proper divisors (33222937).

120021413999 is an equidigital number, since it uses as much as digits as its factorization.

120021413999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222936.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 120021413999 in words is "one hundred twenty billion, twenty-one million, four hundred thirteen thousand, nine hundred ninety-nine".