12221300303204 has 36 divisors (see below), whose sum is σ = 22691282295024. Its totient is φ = 5757731289552.

The previous prime is 12221300303143. The next prime is 12221300303213. The reversal of 12221300303204 is 40230300312221.

It is a super-2 number, since 2×12221300303204² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 12221300303204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42960182 + ... + 43243725.

It is an arithmetic number, because the mean of its divisors is an integer number (630313397084).

Almost surely, 2^{12221300303204} is an apocalyptic number.

It is an amenable number.

12221300303204 is a deficient number, since it is larger than the sum of its proper divisors (10469981991820).

12221300303204 is a wasteful number, since it uses less digits than its factorization.

12221300303204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86204024 (or 86203999 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12221300303204 its reverse (40230300312221), we get a palindrome (52451600615425).

The spelling of 12221300303204 in words is "twelve trillion, two hundred twenty-one billion, three hundred million, three hundred three thousand, two hundred four".