12265532401 has 2 divisors, whose sum is σ = 12265532402. Its totient is φ = 12265532400.

The previous prime is 12265532369. The next prime is 12265532471. The reversal of 12265532401 is 10423556221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9482864400 + 2782668001 = 97380^2 + 52751^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265532401 - 2⁵ = 12265532369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12265532471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6132766200 + 6132766201.

It is an arithmetic number, because the mean of its divisors is an integer number (6132766201).

Almost surely, 2^12265532401 is an apocalyptic number.

It is an amenable number.

12265532401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265532401 is an equidigital number, since it uses as much as digits as its factorization.

12265532401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12265532401 in words is "twelve billion, two hundred sixty-five million, five hundred thirty-two thousand, four hundred one".