12201002002020 has 192 divisors, whose sum is σ = 37678305047040. Its totient is φ = 2931704832000.

The previous prime is 12201002001983. The next prime is 12201002002069. The reversal of 12201002002020 is 2020020010221.

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 = 12201002001987 and 12201002002005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4502716 + ... + 6684044.

It is an arithmetic number, because the mean of its divisors is an integer number (196241172120).

Almost surely, 2^{12201002002020} is an apocalyptic number.

12201002002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12201002002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18839152523520).

12201002002020 is an abundant number, since it is smaller than the sum of its proper divisors (25477303045020).

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

12201002002020 is a wasteful number, since it uses less digits than its factorization.

12201002002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181526 (or 2181524 counting only the distinct ones).

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

Adding to 12201002002020 its reverse (2020020010221), we get a palindrome (14221022012241).

The spelling of 12201002002020 in words is "twelve trillion, two hundred one billion, two million, two thousand, twenty".