12606402401 has 2 divisors, whose sum is σ = 12606402402. Its totient is φ = 12606402400.

The previous prime is 12606402299. The next prime is 12606402409. The reversal of 12606402401 is 10420460621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12603430225 + 2972176 = 112265^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12606402401 - 2¹⁰ = 12606401377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12606402409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303201200 + 6303201201.

It is an arithmetic number, because the mean of its divisors is an integer number (6303201201).

Almost surely, 2^12606402401 is an apocalyptic number.

It is an amenable number.

12606402401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606402401 is an equidigital number, since it uses as much as digits as its factorization.

12606402401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 12606402401 in words is "twelve billion, six hundred six million, four hundred two thousand, four hundred one".