12160280857 has 8 divisors (see below), whose sum is σ = 12185874792. Its totient is φ = 12134707200.

The previous prime is 12160280789. The next prime is 12160280903. The reversal of 12160280857 is 75808206121.

12160280857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4882655376 + 7277625481 = 69876^2 + 85309^2 .

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 12160280857 - 2⁷ = 12160280729 is a prime.

It is a super-2 number, since 2×12160280857² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12160280057) 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, 1873057 + ... + 1879537.

It is an arithmetic number, because the mean of its divisors is an integer number (1523234349).

Almost surely, 2^12160280857 is an apocalyptic number.

It is an amenable number.

12160280857 is a deficient number, since it is larger than the sum of its proper divisors (25593935).

12160280857 is an equidigital number, since it uses as much as digits as its factorization.

12160280857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139.

The product of its (nonzero) digits is 53760, while the sum is 40.

Adding to 12160280857 its reverse (75808206121), we get a palindrome (87968486978).

The spelling of 12160280857 in words is "twelve billion, one hundred sixty million, two hundred eighty thousand, eight hundred fifty-seven".