421424142312 has 16 divisors (see below), whose sum is σ = 1053560355840. Its totient is φ = 140474714096.

The previous prime is 421424142289. The next prime is 421424142413. The reversal of 421424142312 is 213241424124.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 421424142312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8779669608 + ... + 8779669655.

It is an arithmetic number, because the mean of its divisors is an integer number (65847522240).

Almost surely, 2^421424142312 is an apocalyptic number.

It is an amenable number.

421424142312 is an abundant number, since it is smaller than the sum of its proper divisors (632136213528).

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

421424142312 is a wasteful number, since it uses less digits than its factorization.

421424142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17559339272 (or 17559339268 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 421424142312 its reverse (213241424124), we get a palindrome (634665566436).

The spelling of 421424142312 in words is "four hundred twenty-one billion, four hundred twenty-four million, one hundred forty-two thousand, three hundred twelve".