12432249853895 has 16 divisors (see below), whose sum is σ = 15805769241600. Its totient is φ = 9355123889664.

The previous prime is 12432249853879. The next prime is 12432249853927. The reversal of 12432249853895 is 59835894223421.

It is a cyclic number.

It is not a de Polignac number, because 12432249853895 - 2⁴ = 12432249853879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43833920 + ... + 44116629.

It is an arithmetic number, because the mean of its divisors is an integer number (987860577600).

Almost surely, 2^{12432249853895} is an apocalyptic number.

12432249853895 is a deficient number, since it is larger than the sum of its proper divisors (3373519387705).

12432249853895 is a wasteful number, since it uses less digits than its factorization.

12432249853895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87952234.

The product of its digits is 149299200, while the sum is 65.

The spelling of 12432249853895 in words is "twelve trillion, four hundred thirty-two billion, two hundred forty-nine million, eight hundred fifty-three thousand, eight hundred ninety-five".