120313230021 has 12 divisors (see below), whose sum is σ = 173803015360. Its totient is φ = 80200863720.

The previous prime is 120313230019. The next prime is 120313230029. The reversal of 120313230021 is 120032313021.

120313230021 is a `hidden beast` number, since 120 + 313 + 230 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 120313230021 - 2¹ = 120313230019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120313229976 and 120313230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120313230029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566515 + ... + 749376.

Almost surely, 2^120313230021 is an apocalyptic number.

It is an amenable number.

120313230021 is a deficient number, since it is larger than the sum of its proper divisors (53489785339).

120313230021 is a wasteful number, since it uses less digits than its factorization.

120313230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326056 (or 1326053 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120313230021 its reverse (120032313021), we get a palindrome (240345543042).

The spelling of 120313230021 in words is "one hundred twenty billion, three hundred thirteen million, two hundred thirty thousand, twenty-one".