12200001220212 has 24 divisors (see below), whose sum is σ = 30656413322976. Its totient is φ = 3753846529248.

The previous prime is 12200001220207. The next prime is 12200001220243. The reversal of 12200001220212 is 21202210000221.

It is a junction number, because it is equal to n+sod(n) for n = 12200001220191 and 12200001220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39102567858 + ... + 39102568169.

It is an arithmetic number, because the mean of its divisors is an integer number (1277350555124).

Almost surely, 2^{12200001220212} is an apocalyptic number.

12200001220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200001220212 is an abundant number, since it is smaller than the sum of its proper divisors (18456412102764).

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

12200001220212 is a wasteful number, since it uses less digits than its factorization.

12200001220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78205136047 (or 78205136045 counting only the distinct ones).

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

Adding to 12200001220212 its reverse (21202210000221), we get a palindrome (33402211220433).

The spelling of 12200001220212 in words is "twelve trillion, two hundred billion, one million, two hundred twenty thousand, two hundred twelve".