12201200220220 has 48 divisors (see below), whose sum is σ = 27952221050208. Its totient is φ = 4436739676160.

The previous prime is 12201200220199. The next prime is 12201200220241. The reversal of 12201200220220 is 2202200210221.

It is an interprime number because it is at equal distance from previous prime (12201200220199) and next prime (12201200220241).

It is a junction number, because it is equal to n+sod(n) for n = 12201200220194 and 12201200220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17804244 + ... + 18476836.

It is an arithmetic number, because the mean of its divisors is an integer number (582337938546).

Almost surely, 2^{12201200220220} is an apocalyptic number.

12201200220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201200220220 is an abundant number, since it is smaller than the sum of its proper divisors (15751020829988).

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

12201200220220 is a wasteful number, since it uses less digits than its factorization.

12201200220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755070 (or 755068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12201200220220 its reverse (2202200210221), we get a palindrome (14403400430441).

Subtracting from 12201200220220 its reverse (2202200210221), we obtain a palindrome (9999000009999).

The spelling of 12201200220220 in words is "twelve trillion, two hundred one billion, two hundred million, two hundred twenty thousand, two hundred twenty".