12200011212220 has 48 divisors (see below), whose sum is σ = 27863970831648. Its totient is φ = 4460019321600.

The previous prime is 12200011212173. The next prime is 12200011212223. The reversal of 12200011212220 is 2221211000221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12200011212194 and 12200011212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200011212223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232266414 + ... + 232318933.

It is an arithmetic number, because the mean of its divisors is an integer number (580499392326).

Almost surely, 2^{12200011212220} is an apocalyptic number.

12200011212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200011212220 is an abundant number, since it is smaller than the sum of its proper divisors (15663959619428).

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

12200011212220 is a wasteful number, since it uses less digits than its factorization.

12200011212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464585470 (or 464585468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12200011212220 its reverse (2221211000221), we get a palindrome (14421222212441).

The spelling of 12200011212220 in words is "twelve trillion, two hundred billion, eleven million, two hundred twelve thousand, two hundred twenty".