421213013022 has 16 divisors (see below), whose sum is σ = 842515445520. Its totient is φ = 140389434432.

The previous prime is 421213013017. The next prime is 421213013029. The reversal of 421213013022 is 220310312124.

It is a self number, because there is not a number n which added to its sum of digits gives 421213013022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421213013029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664497 + ... + 3777692.

It is an arithmetic number, because the mean of its divisors is an integer number (52657215345).

Almost surely, 2^421213013022 is an apocalyptic number.

421213013022 is an abundant number, since it is smaller than the sum of its proper divisors (421302432498).

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

421213013022 is a wasteful number, since it uses less digits than its factorization.

421213013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451627.

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

Adding to 421213013022 its reverse (220310312124), we get a palindrome (641523325146).

The spelling of 421213013022 in words is "four hundred twenty-one billion, two hundred thirteen million, thirteen thousand, twenty-two".