12200221221210 has 128 divisors (see below), whose sum is σ = 36715399545600. Its totient is φ = 2855642146560.

The previous prime is 12200221221203. The next prime is 12200221221233. The reversal of 12200221221210 is 1212212200221.

It is a happy number.

12200221221210 is a `hidden beast` number, since 1 + 2 + 200 + 221 + 221 + 21 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 70738329 + ... + 70910588.

It is an arithmetic number, because the mean of its divisors is an integer number (286839058950).

Almost surely, 2^{12200221221210} is an apocalyptic number.

12200221221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200221221210 is an abundant number, since it is smaller than the sum of its proper divisors (24515178324390).

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

12200221221210 is a wasteful number, since it uses less digits than its factorization.

12200221221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141648973 (or 141648967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200221221210 its reverse (1212212200221), we get a palindrome (13412433421431).

The spelling of 12200221221210 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred ten".