12222201020 has 24 divisors (see below), whose sum is σ = 25671870000. Its totient is φ = 4887880832.

The previous prime is 12222200987. The next prime is 12222201029. The reversal of 12222201020 is 2010222221.

It is a junction number, because it is equal to n+sod(n) for n = 12222200986 and 12222201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42056 + ... + 161904.

It is an arithmetic number, because the mean of its divisors is an integer number (1069661250).

Almost surely, 2^12222201020 is an apocalyptic number.

12222201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222201020 is an abundant number, since it is smaller than the sum of its proper divisors (13449668980).

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

12222201020 is a wasteful number, since it uses less digits than its factorization.

12222201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124957 (or 124955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222201020 its reverse (2010222221), we get a palindrome (14232423241).

The spelling of 12222201020 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, twenty".