422142244212 has 96 divisors (see below), whose sum is σ = 1083687631488. Its totient is φ = 127096579584.

The previous prime is 422142244133. The next prime is 422142244213. The reversal of 422142244212 is 212442241224.

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 422142244212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142244213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3015523 + ... + 3152405.

It is an arithmetic number, because the mean of its divisors is an integer number (11288412828).

Almost surely, 2^422142244212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422142244212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541843815744).

422142244212 is an abundant number, since it is smaller than the sum of its proper divisors (661545387276).

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

422142244212 is a wasteful number, since it uses less digits than its factorization.

422142244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137329 (or 137327 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

Adding to 422142244212 its reverse (212442241224), we get a palindrome (634584485436).

The spelling of 422142244212 in words is "four hundred twenty-two billion, one hundred forty-two million, two hundred forty-four thousand, two hundred twelve".