12322020220 has 36 divisors (see below), whose sum is σ = 27309845304. Its totient is φ = 4669394400.

The previous prime is 12322020133. The next prime is 12322020241. The reversal of 12322020220 is 2202022321.

It is a junction number, because it is equal to n+sod(n) for n = 12322020194 and 12322020203.

It is a congruent number.

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, 846106 + ... + 860545.

It is an arithmetic number, because the mean of its divisors is an integer number (758606814).

Almost surely, 2^12322020220 is an apocalyptic number.

12322020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322020220 is an abundant number, since it is smaller than the sum of its proper divisors (14987825084).

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

12322020220 is a wasteful number, since it uses less digits than its factorization.

12322020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706698 (or 1706677 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12322020220 its reverse (2202022321), we get a palindrome (14524042541).

The spelling of 12322020220 in words is "twelve billion, three hundred twenty-two million, twenty thousand, two hundred twenty".