12409352507475 has 384 divisors, whose sum is σ = 28593141350400. Its totient is φ = 5126104051200.

The previous prime is 12409352507441. The next prime is 12409352507491. The reversal of 12409352507475 is 57470525390421.

12409352507475 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 93 + 5 + 2 + 507 + 47 + 5 = 666.

It is not a de Polignac number, because 12409352507475 - 2⁴¹ = 10210329251923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 6959815434 + ... + 6959817216.

It is an arithmetic number, because the mean of its divisors is an integer number (74461305600).

Almost surely, 2^{12409352507475} is an apocalyptic number.

12409352507475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12409352507475 is an abundant number, since it is smaller than the sum of its proper divisors (16183788842925).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12409352507475 is a wasteful number, since it uses less digits than its factorization.

12409352507475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

Adding to 12409352507475 its reverse (57470525390421), we get a palindrome (69879877897896).

The spelling of 12409352507475 in words is "twelve trillion, four hundred nine billion, three hundred fifty-two million, five hundred seven thousand, four hundred seventy-five".