12345732475 has 12 divisors (see below), whose sum is σ = 15460282800. Its totient is φ = 9778796000.

The previous prime is 12345732457. The next prime is 12345732541. The reversal of 12345732475 is 57423754321.

It is not a de Polignac number, because 12345732475 - 2⁹ = 12345731963 is a prime.

It is a super-2 number, since 2×12345732475² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2442175 + ... + 2447224.

It is an arithmetic number, because the mean of its divisors is an integer number (1288356900).

Almost surely, 2^12345732475 is an apocalyptic number.

12345732475 is a deficient number, since it is larger than the sum of its proper divisors (3114550325).

12345732475 is a wasteful number, since it uses less digits than its factorization.

12345732475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889510 (or 4889505 counting only the distinct ones).

The product of its digits is 705600, while the sum is 43.

The spelling of 12345732475 in words is "twelve billion, three hundred forty-five million, seven hundred thirty-two thousand, four hundred seventy-five".