421332402120 has 128 divisors (see below), whose sum is σ = 1450613145600. Its totient is φ = 95901555456.

The previous prime is 421332402097. The next prime is 421332402121. The reversal of 421332402120 is 21204233124.

It is a happy number.

421332402120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (421332402121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 848584 + ... + 1250103.

It is an arithmetic number, because the mean of its divisors is an integer number (11332915200).

Almost surely, 2^421332402120 is an apocalyptic number.

421332402120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421332402120 is an abundant number, since it is smaller than the sum of its proper divisors (1029280743480).

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

421332402120 is a wasteful number, since it uses less digits than its factorization.

421332402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098947 (or 2098943 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 421332402120 its reverse (21204233124), we get a palindrome (442536635244).

The spelling of 421332402120 in words is "four hundred twenty-one billion, three hundred thirty-two million, four hundred two thousand, one hundred twenty".