12022481826 has 24 divisors (see below), whose sum is σ = 26475741084. Its totient is φ = 3941796960.

The previous prime is 12022481813. The next prime is 12022481899. The reversal of 12022481826 is 62818422021.

It can be written as a sum of positive squares in 2 ways, for example, as 9869429025 + 2153052801 = 99345^2 + 46401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5473621 + ... + 5475816.

Almost surely, 2^12022481826 is an apocalyptic number.

12022481826 is an abundant number, since it is smaller than the sum of its proper divisors (14453259258).

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

12022481826 is a wasteful number, since it uses less digits than its factorization.

12022481826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949506 (or 10949503 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 12022481826 in words is "twelve billion, twenty-two million, four hundred eighty-one thousand, eight hundred twenty-six".