12065771440257 has 8 divisors (see below), whose sum is σ = 16098721781280. Its totient is φ = 8038334363040.

The previous prime is 12065771440243. The next prime is 12065771440357. The reversal of 12065771440257 is 75204417756021.

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

It is not a de Polignac number, because 12065771440257 - 2⁴ = 12065771440241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12065771440057) 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, 1378310844 + ... + 1378319597.

It is an arithmetic number, because the mean of its divisors is an integer number (2012340222660).

Almost surely, 2^{12065771440257} is an apocalyptic number.

It is an amenable number.

12065771440257 is a deficient number, since it is larger than the sum of its proper divisors (4032950341023).

12065771440257 is a wasteful number, since it uses less digits than its factorization.

12065771440257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756631903.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 12065771440257 in words is "twelve trillion, sixty-five billion, seven hundred seventy-one million, four hundred forty thousand, two hundred fifty-seven".