422361121512 has 128 divisors (see below), whose sum is σ = 1170205885440. Its totient is φ = 125957230080.

The previous prime is 422361121477. The next prime is 422361121537. The reversal of 422361121512 is 215121163224.

It is a super-2 number, since 2×422361121512² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422361121512.

It is an unprimeable number.

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, 19392853 + ... + 19414619.

It is an arithmetic number, because the mean of its divisors is an integer number (9142233480).

Almost surely, 2^422361121512 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 422361121512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585102942720).

422361121512 is an abundant number, since it is smaller than the sum of its proper divisors (747844763928).

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

422361121512 is a wasteful number, since it uses less digits than its factorization.

422361121512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22951 (or 22947 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

Adding to 422361121512 its reverse (215121163224), we get a palindrome (637482284736).

The spelling of 422361121512 in words is "four hundred twenty-two billion, three hundred sixty-one million, one hundred twenty-one thousand, five hundred twelve".