12200100122220 has 48 divisors (see below), whose sum is σ = 34178193762048. Its totient is φ = 3251653992640.

The previous prime is 12200100122207. The next prime is 12200100122233. The reversal of 12200100122220 is 2222100100221.

It is an interprime number because it is at equal distance from previous prime (12200100122207) and next prime (12200100122233).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12200100122220.

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, 53198376 + ... + 53427215.

It is an arithmetic number, because the mean of its divisors is an integer number (712045703376).

Almost surely, 2^{12200100122220} is an apocalyptic number.

12200100122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200100122220 is an abundant number, since it is smaller than the sum of its proper divisors (21978093639828).

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

12200100122220 is a wasteful number, since it uses less digits than its factorization.

12200100122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106627510 (or 106627508 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200100122220 its reverse (2222100100221), we get a palindrome (14422200222441).

The spelling of 12200100122220 in words is "twelve trillion, two hundred billion, one hundred million, one hundred twenty-two thousand, two hundred twenty".