12211200302321 has 8 divisors (see below), whose sum is σ = 12230529474888. Its totient is φ = 12191872000000.

The previous prime is 12211200302303. The next prime is 12211200302333. The reversal of 12211200302321 is 12320300211221.

It can be written as a sum of positive squares in 4 ways, for example, as 3097473281296 + 9113727021025 = 1759964^2 + 3018895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211200302321 - 2¹⁰ = 12211200301297 is a prime.

It is a super-2 number, since 2×12211200302321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12211200302293 and 12211200302302.

It is not an unprimeable number, because it can be changed into a prime (12211200302381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31524821 + ... + 31909821.

It is an arithmetic number, because the mean of its divisors is an integer number (1528816184361).

Almost surely, 2^{12211200302321} is an apocalyptic number.

It is an amenable number.

12211200302321 is a deficient number, since it is larger than the sum of its proper divisors (19329172567).

12211200302321 is an equidigital number, since it uses as much as digits as its factorization.

12211200302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435123.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12211200302321 its reverse (12320300211221), we get a palindrome (24531500513542).

The spelling of 12211200302321 in words is "twelve trillion, two hundred eleven billion, two hundred million, three hundred two thousand, three hundred twenty-one".