12300211210981 has 2 divisors, whose sum is σ = 12300211210982. Its totient is φ = 12300211210980.

The previous prime is 12300211210951. The next prime is 12300211211027. The reversal of 12300211210981 is 18901211200321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12148396557025 + 151814653956 = 3485455^2 + 389634^2 .

It is an emirp because it is prime and its reverse (18901211200321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12300211210981 - 2¹¹ = 12300211208933 is a prime.

It is a super-2 number, since 2×12300211210981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12300211210921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150105605490 + 6150105605491.

It is an arithmetic number, because the mean of its divisors is an integer number (6150105605491).

Almost surely, 2^{12300211210981} is an apocalyptic number.

It is an amenable number.

12300211210981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300211210981 is an equidigital number, since it uses as much as digits as its factorization.

12300211210981 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 31.

The spelling of 12300211210981 in words is "twelve trillion, three hundred billion, two hundred eleven million, two hundred ten thousand, nine hundred eighty-one".