12452502405 has 32 divisors (see below), whose sum is σ = 22785122304. Its totient is φ = 5688864576.

The previous prime is 12452502323. The next prime is 12452502421. The reversal of 12452502405 is 50420525421.

12452502405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12452502405 - 2⁸ = 12452502149 is a prime.

It is a super-2 number, since 2×12452502405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126694 + ... + 202376.

It is an arithmetic number, because the mean of its divisors is an integer number (712035072).

Almost surely, 2^12452502405 is an apocalyptic number.

12452502405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12452502405 is a deficient number, since it is larger than the sum of its proper divisors (10332619899).

12452502405 is a wasteful number, since it uses less digits than its factorization.

12452502405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77265.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 12452502405 in words is "twelve billion, four hundred fifty-two million, five hundred two thousand, four hundred five".