12201000022020 has 48 divisors (see below), whose sum is σ = 34270569200448. Its totient is φ = 3243336278400.

The previous prime is 12201000021953. The next prime is 12201000022069. The reversal of 12201000022020 is 2022000010221.

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 = 12201000021987 and 12201000022005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320722306 + ... + 320760345.

It is an arithmetic number, because the mean of its divisors is an integer number (713970191676).

Almost surely, 2^{12201000022020} is an apocalyptic number.

12201000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201000022020 is an abundant number, since it is smaller than the sum of its proper divisors (22069569178428).

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

12201000022020 is a wasteful number, since it uses less digits than its factorization.

12201000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641482980 (or 641482978 counting only the distinct ones).

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

Adding to 12201000022020 its reverse (2022000010221), we get a palindrome (14223000032241).

The spelling of 12201000022020 in words is "twelve trillion, two hundred one billion, twenty-two thousand, twenty".