12403126425 has 12 divisors (see below), whose sum is σ = 20506502480. Its totient is φ = 6615000720.

The previous prime is 12403126403. The next prime is 12403126427. The reversal of 12403126425 is 52462130421.

It is not a de Polignac number, because 12403126425 - 2⁶ = 12403126361 is a prime.

It is a super-2 number, since 2×12403126425² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12403126392 and 12403126401.

It is not an unprimeable number, because it can be changed into a prime (12403126427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82687435 + ... + 82687584.

Almost surely, 2^12403126425 is an apocalyptic number.

12403126425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12403126425 is a deficient number, since it is larger than the sum of its proper divisors (8103376055).

12403126425 is a wasteful number, since it uses less digits than its factorization.

12403126425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165375032 (or 165375027 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12403126425 its reverse (52462130421), we get a palindrome (64865256846).

The spelling of 12403126425 in words is "twelve billion, four hundred three million, one hundred twenty-six thousand, four hundred twenty-five".