120223140021 has 24 divisors (see below), whose sum is σ = 186198180480. Its totient is φ = 74479257216.

The previous prime is 120223140013. The next prime is 120223140071. The reversal of 120223140021 is 120041322021.

It is a happy number.

120223140021 is a `hidden beast` number, since 1 + 20 + 223 + 1 + 400 + 21 = 666.

It is not a de Polignac number, because 120223140021 - 2³ = 120223140013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120223139976 and 120223140003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120223140071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4961155 + ... + 4985328.

It is an arithmetic number, because the mean of its divisors is an integer number (7758257520).

Almost surely, 2^120223140021 is an apocalyptic number.

It is an amenable number.

120223140021 is a deficient number, since it is larger than the sum of its proper divisors (65975040459).

120223140021 is a wasteful number, since it uses less digits than its factorization.

120223140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946585 (or 9946582 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 120223140021 its reverse (120041322021), we get a palindrome (240264462042).

The spelling of 120223140021 in words is "one hundred twenty billion, two hundred twenty-three million, one hundred forty thousand, twenty-one".