12040164257 has 8 divisors (see below), whose sum is σ = 13151423712. Its totient is φ = 10931688000.

The previous prime is 12040164209. The next prime is 12040164271. The reversal of 12040164257 is 75246104021.

12040164257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12040164257 - 2²⁴ = 12023387041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040164277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686744 + ... + 704057.

It is an arithmetic number, because the mean of its divisors is an integer number (1643927964).

Almost surely, 2^12040164257 is an apocalyptic number.

It is an amenable number.

12040164257 is a deficient number, since it is larger than the sum of its proper divisors (1111259455).

12040164257 is a wasteful number, since it uses less digits than its factorization.

12040164257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391599.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 12040164257 its reverse (75246104021), we get a palindrome (87286268278).

The spelling of 12040164257 in words is "twelve billion, forty million, one hundred sixty-four thousand, two hundred fifty-seven".