12412989401 has 2 divisors, whose sum is σ = 12412989402. Its totient is φ = 12412989400.

The previous prime is 12412989397. The next prime is 12412989431. The reversal of 12412989401 is 10498921421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8514860176 + 3898129225 = 92276^2 + 62435^2 .

It is a cyclic number.

It is not a de Polignac number, because 12412989401 - 2² = 12412989397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12412989431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206494700 + 6206494701.

It is an arithmetic number, because the mean of its divisors is an integer number (6206494701).

Almost surely, 2^12412989401 is an apocalyptic number.

It is an amenable number.

12412989401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412989401 is an equidigital number, since it uses as much as digits as its factorization.

12412989401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 12412989401 in words is "twelve billion, four hundred twelve million, nine hundred eighty-nine thousand, four hundred one".