12455120305425 has 24 divisors (see below), whose sum is σ = 23534246368576. Its totient is φ = 5693769282240.

The previous prime is 12455120305409. The next prime is 12455120305451. The reversal of 12455120305425 is 52450302155421.

It is not a de Polignac number, because 12455120305425 - 2⁴ = 12455120305409 is a prime.

It is a super-2 number, since 2×12455120305425² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11862018814 + ... + 11862019863.

Almost surely, 2^{12455120305425} is an apocalyptic number.

12455120305425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12455120305425 is a deficient number, since it is larger than the sum of its proper divisors (11079126063151).

12455120305425 is a wasteful number, since it uses less digits than its factorization.

12455120305425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23724038697 (or 23724038692 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 12455120305425 in words is "twelve trillion, four hundred fifty-five billion, one hundred twenty million, three hundred five thousand, four hundred twenty-five".