12422255500 has 24 divisors (see below), whose sum is σ = 27130207104. Its totient is φ = 4968902000.

The previous prime is 12422255479. The next prime is 12422255501. The reversal of 12422255500 is 555222421.

It is not an unprimeable number, because it can be changed into a prime (12422255501) 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, 12421756 + ... + 12422755.

It is an arithmetic number, because the mean of its divisors is an integer number (1130425296).

Almost surely, 2^12422255500 is an apocalyptic number.

12422255500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12422255500 is an abundant number, since it is smaller than the sum of its proper divisors (14707951604).

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

12422255500 is a wasteful number, since it uses less digits than its factorization.

12422255500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24844530 (or 24844518 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 12422255500 its reverse (555222421), we get a palindrome (12977477921).

The spelling of 12422255500 in words is "twelve billion, four hundred twenty-two million, two hundred fifty-five thousand, five hundred".