12120373 has 4 divisors (see below), whose sum is σ = 12163788. Its totient is φ = 12076960.

The previous prime is 12120343. The next prime is 12120391. The reversal of 12120373 is 37302121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37302121 = 3617 ⋅10313.

It can be written as a sum of positive squares in 2 ways, for example, as 5349969 + 6770404 = 2313^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120373 - 2¹³ = 12112181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21286 + ... + 21847.

It is an arithmetic number, because the mean of its divisors is an integer number (3040947).

Almost surely, 2^12120373 is an apocalyptic number.

It is an amenable number.

12120373 is a deficient number, since it is larger than the sum of its proper divisors (43415).

12120373 is an equidigital number, since it uses as much as digits as its factorization.

12120373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43414.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12120373 is about 3481.4326074190. The cubic root of 12120373 is about 229.7058179631.

Adding to 12120373 its reverse (37302121), we get a palindrome (49422494).

The spelling of 12120373 in words is "twelve million, one hundred twenty thousand, three hundred seventy-three".