12200122020 has 24 divisors (see below), whose sum is σ = 34160341824. Its totient is φ = 3253365856.

The previous prime is 12200122019. The next prime is 12200122049. The reversal of 12200122020 is 2022100221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12200121987 and 12200122005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101667624 + ... + 101667743.

It is an arithmetic number, because the mean of its divisors is an integer number (1423347576).

Almost surely, 2^12200122020 is an apocalyptic number.

12200122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200122020 is an abundant number, since it is smaller than the sum of its proper divisors (21960219804).

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

12200122020 is a wasteful number, since it uses less digits than its factorization.

12200122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203335379 (or 203335377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12200122020 its reverse (2022100221), we get a palindrome (14222222241).

The spelling of 12200122020 in words is "twelve billion, two hundred million, one hundred twenty-two thousand, twenty".