421312134223422 has 64 divisors (see below), whose sum is σ = 1008271067032320. Its totient is φ = 129634154200800.

The previous prime is 421312134223403. The next prime is 421312134223451. The reversal of 421312134223422 is 224322431213124.

421312134223422 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 1 + 2 + 1 + 3 + 4 + 223 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407268897 + ... + 408302067.

It is an arithmetic number, because the mean of its divisors is an integer number (15754235422380).

Almost surely, 2^{421312134223422} is an apocalyptic number.

421312134223422 is an abundant number, since it is smaller than the sum of its proper divisors (586958932808898).

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

421312134223422 is a wasteful number, since it uses less digits than its factorization.

421312134223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614086 (or 1614080 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 421312134223422 its reverse (224322431213124), we get a palindrome (645634565436546).

The spelling of 421312134223422 in words is "four hundred twenty-one trillion, three hundred twelve billion, one hundred thirty-four million, two hundred twenty-three thousand, four hundred twenty-two".