120421424802 has 48 divisors (see below), whose sum is σ = 286997431392. Its totient is φ = 33566944320.

The previous prime is 120421424801. The next prime is 120421424803. The reversal of 120421424802 is 208424124021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120421424801) and next prime (120421424803).

It is a self number, because there is not a number n which added to its sum of digits gives 120421424802.

It is not an unprimeable number, because it can be changed into a prime (120421424801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4983028 + ... + 5007135.

It is an arithmetic number, because the mean of its divisors is an integer number (5979113154).

Almost surely, 2^120421424802 is an apocalyptic number.

120421424802 is an abundant number, since it is smaller than the sum of its proper divisors (166576006590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120421424802 is a wasteful number, since it uses less digits than its factorization.

120421424802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990223 (or 9990216 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 120421424802 its reverse (208424124021), we get a palindrome (328845548823).

The spelling of 120421424802 in words is "one hundred twenty billion, four hundred twenty-one million, four hundred twenty-four thousand, eight hundred two".