12213011223331 has 2 divisors, whose sum is σ = 12213011223332. Its totient is φ = 12213011223330.

The previous prime is 12213011223319. The next prime is 12213011223337. The reversal of 12213011223331 is 13332211031221.

It is a strong prime.

It is an emirp because it is prime and its reverse (13332211031221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213011223331 is a prime.

It is a super-2 number, since 2×12213011223331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213011223296 and 12213011223305.

It is not a weakly prime, because it can be changed into another prime (12213011223337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106505611665 + 6106505611666.

It is an arithmetic number, because the mean of its divisors is an integer number (6106505611666).

Almost surely, 2^{12213011223331} is an apocalyptic number.

12213011223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213011223331 is an equidigital number, since it uses as much as digits as its factorization.

12213011223331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213011223331 its reverse (13332211031221), we get a palindrome (25545222254552).

The spelling of 12213011223331 in words is "twelve trillion, two hundred thirteen billion, eleven million, two hundred twenty-three thousand, three hundred thirty-one".