12201020002220 has 192 divisors, whose sum is σ = 30075026042880. Its totient is φ = 4071057408000.

The previous prime is 12201020002219. The next prime is 12201020002261. The reversal of 12201020002220 is 2220002010221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12201020002195 and 12201020002204.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 847227020 + ... + 847241420.

It is an arithmetic number, because the mean of its divisors is an integer number (156640760640).

Almost surely, 2^{12201020002220} is an apocalyptic number.

12201020002220 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 12201020002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15037513021440).

12201020002220 is an abundant number, since it is smaller than the sum of its proper divisors (17874006040660).

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

12201020002220 is a wasteful number, since it uses less digits than its factorization.

12201020002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15184 (or 15182 counting only the distinct ones).

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

Adding to 12201020002220 its reverse (2220002010221), we get a palindrome (14421022012441).

The spelling of 12201020002220 in words is "twelve trillion, two hundred one billion, twenty million, two thousand, two hundred twenty".