12532731570427 has 8 divisors (see below), whose sum is σ = 12721262951936. Its totient is φ = 12344243591592.

The previous prime is 12532731570409. The next prime is 12532731570481. The reversal of 12532731570427 is 72407513723521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12532731570427 is a prime.

It is a super-3 number, since 3×12532731570427³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12532731570127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10268583 + ... + 11424064.

It is an arithmetic number, because the mean of its divisors is an integer number (1590157868992).

Almost surely, 2^{12532731570427} is an apocalyptic number.

12532731570427 is a deficient number, since it is larger than the sum of its proper divisors (188531381509).

12532731570427 is an equidigital number, since it uses as much as digits as its factorization.

12532731570427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21701337.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 12532731570427 in words is "twelve trillion, five hundred thirty-two billion, seven hundred thirty-one million, five hundred seventy thousand, four hundred twenty-seven".