120021304203 has 64 divisors (see below), whose sum is σ = 187342848000. Its totient is φ = 75854257920.

The previous prime is 120021304157. The next prime is 120021304211. The reversal of 120021304203 is 302403120021.

It is not a de Polignac number, because 120021304203 - 2⁸ = 120021303947 is a prime.

It is a super-2 number, since 2×120021304203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021304213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9370998 + ... + 9383796.

It is an arithmetic number, because the mean of its divisors is an integer number (2927232000).

Almost surely, 2^120021304203 is an apocalyptic number.

120021304203 is a deficient number, since it is larger than the sum of its proper divisors (67321543797).

120021304203 is a wasteful number, since it uses less digits than its factorization.

120021304203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089 (or 13083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120021304203 its reverse (302403120021), we get a palindrome (422424424224).

The spelling of 120021304203 in words is "one hundred twenty billion, twenty-one million, three hundred four thousand, two hundred three".