12724470401 has 2 divisors, whose sum is σ = 12724470402. Its totient is φ = 12724470400.

The previous prime is 12724470383. The next prime is 12724470427. The reversal of 12724470401 is 10407442721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12335434225 + 389036176 = 111065^2 + 19724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12724470401 - 2⁶ = 12724470337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12724470461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362235200 + 6362235201.

It is an arithmetic number, because the mean of its divisors is an integer number (6362235201).

Almost surely, 2^12724470401 is an apocalyptic number.

It is an amenable number.

12724470401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12724470401 is an equidigital number, since it uses as much as digits as its factorization.

12724470401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 12724470401 in words is "twelve billion, seven hundred twenty-four million, four hundred seventy thousand, four hundred one".