12325171445 has 32 divisors (see below), whose sum is σ = 15943080960. Its totient is φ = 9113610240.

The previous prime is 12325171429. The next prime is 12325171457. The reversal of 12325171445 is 54417152321.

It is not a de Polignac number, because 12325171445 - 2⁴ = 12325171429 is a prime.

It is a super-2 number, since 2×12325171445² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478840 + ... + 1487150.

It is an arithmetic number, because the mean of its divisors is an integer number (498221280).

Almost surely, 2^12325171445 is an apocalyptic number.

It is an amenable number.

12325171445 is a deficient number, since it is larger than the sum of its proper divisors (3617909515).

12325171445 is a wasteful number, since it uses less digits than its factorization.

12325171445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its digits is 33600, while the sum is 35.

The spelling of 12325171445 in words is "twelve billion, three hundred twenty-five million, one hundred seventy-one thousand, four hundred forty-five".