12401010425 has 6 divisors (see below), whose sum is σ = 15377252958. Its totient is φ = 9920808320.

The previous prime is 12401010409. The next prime is 12401010431. The reversal of 12401010425 is 52401010421.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 545502736 + 11855507689 = 23356^2 + 108883^2 .

It is not a de Polignac number, because 12401010425 - 2⁴ = 12401010409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401010397 and 12401010406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248020184 + ... + 248020233.

It is an arithmetic number, because the mean of its divisors is an integer number (2562875493).

Almost surely, 2^12401010425 is an apocalyptic number.

It is an amenable number.

12401010425 is a deficient number, since it is larger than the sum of its proper divisors (2976242533).

12401010425 is an equidigital number, since it uses as much as digits as its factorization.

12401010425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496040427 (or 496040422 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12401010425 its reverse (52401010421), we get a palindrome (64802020846).

The spelling of 12401010425 in words is "twelve billion, four hundred one million, ten thousand, four hundred twenty-five".