120020012003 has 8 divisors (see below), whose sum is σ = 127858987200. Its totient is φ = 112333250088.

The previous prime is 120020011999. The next prime is 120020012071. The reversal of 120020012003 is 300210020021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120020012003 - 2² = 120020011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020012503) 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 in 7 ways as a sum of consecutive naturals, for example, 38051693 + ... + 38054846.

It is an arithmetic number, because the mean of its divisors is an integer number (15982373400).

Almost surely, 2^120020012003 is an apocalyptic number.

120020012003 is a deficient number, since it is larger than the sum of its proper divisors (7838975197).

120020012003 is an equidigital number, since it uses as much as digits as its factorization.

120020012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76106641.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120020012003 its reverse (300210020021), we get a palindrome (420230032024).

The spelling of 120020012003 in words is "one hundred twenty billion, twenty million, twelve thousand, three".