12220312235200 has 42 divisors (see below), whose sum is σ = 30069605797676. Its totient is φ = 4888124893440.

The previous prime is 12220312235161. The next prime is 12220312235207. The reversal of 12220312235200 is 253221302221.

It is a super-2 number, since 2×12220312235200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12220312235207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3818845974 + ... + 3818849173.

Almost surely, 2^{12220312235200} is an apocalyptic number.

12220312235200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220312235200 is an abundant number, since it is smaller than the sum of its proper divisors (17849293562476).

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

12220312235200 is an equidigital number, since it uses as much as digits as its factorization.

12220312235200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637695169 (or 7637695154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12220312235200 its reverse (253221302221), we get a palindrome (12473533537421).

The spelling of 12220312235200 in words is "twelve trillion, two hundred twenty billion, three hundred twelve million, two hundred thirty-five thousand, two hundred".