12213121032043 has 2 divisors, whose sum is σ = 12213121032044. Its totient is φ = 12213121032042.

The previous prime is 12213121032023. The next prime is 12213121032271. The reversal of 12213121032043 is 34023012131221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213121032043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12213121031999 and 12213121032017.

It is not a weakly prime, because it can be changed into another prime (12213121032023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106560516021 + 6106560516022.

It is an arithmetic number, because the mean of its divisors is an integer number (6106560516022).

Almost surely, 2^{12213121032043} is an apocalyptic number.

12213121032043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213121032043 is an equidigital number, since it uses as much as digits as its factorization.

12213121032043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12213121032043 its reverse (34023012131221), we get a palindrome (46236133163264).

The spelling of 12213121032043 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-one million, thirty-two thousand, forty-three".