12221211303300 has 72 divisors (see below), whose sum is σ = 35369082608832. Its totient is φ = 3258156080000.

The previous prime is 12221211303247. The next prime is 12221211303313. The reversal of 12221211303300 is 330311212221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4034751 + ... + 6381350.

It is an arithmetic number, because the mean of its divisors is an integer number (491237258456).

Almost surely, 2^{12221211303300} is an apocalyptic number.

12221211303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221211303300 is an abundant number, since it is smaller than the sum of its proper divisors (23147871305532).

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

12221211303300 is a wasteful number, since it uses less digits than its factorization.

12221211303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420029 (or 10420022 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12221211303300 its reverse (330311212221), we get a palindrome (12551522515521).

The spelling of 12221211303300 in words is "twelve trillion, two hundred twenty-one billion, two hundred eleven million, three hundred three thousand, three hundred".