120002121003 has 8 divisors (see below), whose sum is σ = 160011311616. Its totient is φ = 79997172200.

The previous prime is 120002120993. The next prime is 120002121013. The reversal of 120002121003 is 300121200021.

It is an interprime number because it is at equal distance from previous prime (120002120993) and next prime (120002121013).

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 120002121003 - 2⁵ = 120002120971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120002121003.

It is not an unprimeable number, because it can be changed into a prime (120002121013) 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, 993843 + ... + 1108028.

It is an arithmetic number, because the mean of its divisors is an integer number (20001413952).

Almost surely, 2^120002121003 is an apocalyptic number.

120002121003 is a deficient number, since it is larger than the sum of its proper divisors (40009190613).

120002121003 is a wasteful number, since it uses less digits than its factorization.

120002121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120905.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120002121003 its reverse (300121200021), we get a palindrome (420123321024).

The spelling of 120002121003 in words is "one hundred twenty billion, two million, one hundred twenty-one thousand, three".