12130057 has 4 divisors (see below), whose sum is σ = 12358980. Its totient is φ = 11901136.

The previous prime is 12130049. The next prime is 12130073. The reversal of 12130057 is 75003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75003121 = 751 ⋅99871.

It can be written as a sum of positive squares in 2 ways, for example, as 5900041 + 6230016 = 2429^2 + 2496^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130057 - 2³ = 12130049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114382 + ... + 114487.

It is an arithmetic number, because the mean of its divisors is an integer number (3089745).

Almost surely, 2^12130057 is an apocalyptic number.

It is an amenable number.

12130057 is a deficient number, since it is larger than the sum of its proper divisors (228923).

12130057 is an equidigital number, since it uses as much as digits as its factorization.

12130057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228922.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 12130057 is about 3482.8231364799. The cubic root of 12130057 is about 229.7669788686.

Adding to 12130057 its reverse (75003121), we get a palindrome (87133178).

The spelling of 12130057 in words is "twelve million, one hundred thirty thousand, fifty-seven".