120043040421 has 64 divisors (see below), whose sum is σ = 180705484800. Its totient is φ = 70519527936.

The previous prime is 120043040419. The next prime is 120043040437. The reversal of 120043040421 is 124040340021.

It is not a de Polignac number, because 120043040421 - 2¹ = 120043040419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120043042421) 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, 9667665 + ... + 9680073.

It is an arithmetic number, because the mean of its divisors is an integer number (2823523200).

Almost surely, 2^120043040421 is an apocalyptic number.

It is an amenable number.

120043040421 is a deficient number, since it is larger than the sum of its proper divisors (60662444379).

120043040421 is a wasteful number, since it uses less digits than its factorization.

120043040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120043040421 its reverse (124040340021), we get a palindrome (244083380442).

The spelling of 120043040421 in words is "one hundred twenty billion, forty-three million, forty thousand, four hundred twenty-one".