421331004120000 has 560 divisors, whose sum is σ = 1501236030694400. Its totient is φ = 103638818304000.

The previous prime is 421331004119939. The next prime is 421331004120043. The reversal of 421331004120000 is 21400133124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2219785101 + ... + 2219974899.

It is an arithmetic number, because the mean of its divisors is an integer number (2680778626240).

Almost surely, 2^{421331004120000} is an apocalyptic number.

421331004120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421331004120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750618015347200).

421331004120000 is an abundant number, since it is smaller than the sum of its proper divisors (1079905026574400).

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

421331004120000 is a wasteful number, since it uses less digits than its factorization.

421331004120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191270 (or 191245 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 421331004120000 its reverse (21400133124), we get a palindrome (421352404253124).

The spelling of 421331004120000 in words is "four hundred twenty-one trillion, three hundred thirty-one billion, four million, one hundred twenty thousand".