120421210024 has 16 divisors (see below), whose sum is σ = 226784440800. Its totient is φ = 59945359152.

The previous prime is 120421209977. The next prime is 120421210043. The reversal of 120421210024 is 420012124021.

It is a junction number, because it is equal to n+sod(n) for n = 120421209983 and 120421210010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33153804 + ... + 33157435.

It is an arithmetic number, because the mean of its divisors is an integer number (14174027550).

Almost surely, 2^120421210024 is an apocalyptic number.

It is an amenable number.

120421210024 is a deficient number, since it is larger than the sum of its proper divisors (106363230776).

120421210024 is a wasteful number, since it uses less digits than its factorization.

120421210024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66311472 (or 66311468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120421210024 its reverse (420012124021), we get a palindrome (540433334045).

The spelling of 120421210024 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred ten thousand, twenty-four".