422241300012 has 144 divisors (see below), whose sum is σ = 1186466400000. Its totient is φ = 116395606656.

The previous prime is 422241300011. The next prime is 422241300029. The reversal of 422241300012 is 210003142224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (422241300011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25552689 + ... + 25569207.

It is an arithmetic number, because the mean of its divisors is an integer number (8239350000).

Almost surely, 2^422241300012 is an apocalyptic number.

422241300012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422241300012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593233200000).

422241300012 is an abundant number, since it is smaller than the sum of its proper divisors (764225099988).

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

422241300012 is a wasteful number, since it uses less digits than its factorization.

422241300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068 (or 18059 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 422241300012 its reverse (210003142224), we get a palindrome (632244442236).

The spelling of 422241300012 in words is "four hundred twenty-two billion, two hundred forty-one million, three hundred thousand, twelve".