120321121203 has 12 divisors (see below), whose sum is σ = 175047516280. Its totient is φ = 79637000256.

The previous prime is 120321121177. The next prime is 120321121237. The reversal of 120321121203 is 302121123021.

120321121203 is a `hidden beast` number, since 1 + 20 + 321 + 121 + 203 = 666.

It is not a de Polignac number, because 120321121203 - 2⁹ = 120321120691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321121103) 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 11 ways as a sum of consecutive naturals, for example, 48088726 + ... + 48091227.

Almost surely, 2^120321121203 is an apocalyptic number.

120321121203 is a deficient number, since it is larger than the sum of its proper divisors (54726395077).

120321121203 is a wasteful number, since it uses less digits than its factorization.

120321121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96180098 (or 96180095 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120321121203 its reverse (302121123021), we get a palindrome (422442244224).

The spelling of 120321121203 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred three".