12180351 has 4 divisors (see below), whose sum is σ = 16240472. Its totient is φ = 8120232.

The previous prime is 12180341. The next prime is 12180359. The reversal of 12180351 is 15308121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12180351 - 2¹¹ = 12178303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030056 + ... + 2030061.

It is an arithmetic number, because the mean of its divisors is an integer number (4060118).

Almost surely, 2^12180351 is an apocalyptic number.

12180351 is a deficient number, since it is larger than the sum of its proper divisors (4060121).

12180351 is an equidigital number, since it uses as much as digits as its factorization.

12180351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060120.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 12180351 is about 3490.0359597001. The cubic root of 12180351 is about 230.0840965316.

Adding to 12180351 its reverse (15308121), we get a palindrome (27488472).

The spelling of 12180351 in words is "twelve million, one hundred eighty thousand, three hundred fifty-one".