421012140304 has 120 divisors (see below), whose sum is σ = 984431040000. Its totient is φ = 173733880320.

The previous prime is 421012140293. The next prime is 421012140313. The reversal of 421012140304 is 403041210124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4792972 + ... + 4880020.

It is an arithmetic number, because the mean of its divisors is an integer number (8203592000).

Almost surely, 2^421012140304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421012140304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492215520000).

421012140304 is an abundant number, since it is smaller than the sum of its proper divisors (563418899696).

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

421012140304 is a wasteful number, since it uses less digits than its factorization.

421012140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87301 (or 87288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421012140304 its reverse (403041210124), we get a palindrome (824053350428).

The spelling of 421012140304 in words is "four hundred twenty-one billion, twelve million, one hundred forty thousand, three hundred four".