12005240051425 has 6 divisors (see below), whose sum is σ = 14886497663798. Its totient is φ = 9604192041120.

The previous prime is 12005240051423. The next prime is 12005240051443. The reversal of 12005240051425 is 52415004250021.

It can be written as a sum of positive squares in 3 ways, for example, as 27438928609 + 11977801122816 = 165647^2 + 3460896^2 .

It is not a de Polignac number, because 12005240051425 - 2¹ = 12005240051423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12005240051423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240104801004 + ... + 240104801053.

Almost surely, 2^{12005240051425} is an apocalyptic number.

It is an amenable number.

12005240051425 is a deficient number, since it is larger than the sum of its proper divisors (2881257612373).

12005240051425 is an equidigital number, since it uses as much as digits as its factorization.

12005240051425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480209602067 (or 480209602062 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 12005240051425 in words is "twelve trillion, five billion, two hundred forty million, fifty-one thousand, four hundred twenty-five".