421213112304 has 80 divisors (see below), whose sum is σ = 1114826146560. Its totient is φ = 136961144320.

The previous prime is 421213112297. The next prime is 421213112381. The reversal of 421213112304 is 403211312124.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28188067 + ... + 28203005.

It is an arithmetic number, because the mean of its divisors is an integer number (13935326832).

Almost surely, 2^421213112304 is an apocalyptic number.

It is an amenable number.

421213112304 is an abundant number, since it is smaller than the sum of its proper divisors (693613034256).

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

421213112304 is a wasteful number, since it uses less digits than its factorization.

421213112304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29318 (or 29312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 421213112304 its reverse (403211312124), we get a palindrome (824424424428).

The spelling of 421213112304 in words is "four hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, three hundred four".