12301013981 has 2 divisors, whose sum is σ = 12301013982. Its totient is φ = 12301013980.

The previous prime is 12301013911. The next prime is 12301014073. The reversal of 12301013981 is 18931010321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12222408025 + 78605956 = 110555^2 + 8866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301013981 is a prime.

It is a super-2 number, since 2×12301013981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301013911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150506990 + 6150506991.

It is an arithmetic number, because the mean of its divisors is an integer number (6150506991).

Almost surely, 2^12301013981 is an apocalyptic number.

It is an amenable number.

12301013981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301013981 is an equidigital number, since it uses as much as digits as its factorization.

12301013981 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 29.

The spelling of 12301013981 in words is "twelve billion, three hundred one million, thirteen thousand, nine hundred eighty-one".