12120351 has 8 divisors (see below), whose sum is σ = 16199040. Its totient is φ = 8060952.

The previous prime is 12120343. The next prime is 12120391. The reversal of 12120351 is 15302121.

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

It is not a de Polignac number, because 12120351 - 2³ = 12120343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12120351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285 + ... + 5918.

It is an arithmetic number, because the mean of its divisors is an integer number (2024880).

Almost surely, 2^12120351 is an apocalyptic number.

12120351 is a deficient number, since it is larger than the sum of its proper divisors (4078689).

12120351 is an equidigital number, since it uses as much as digits as its factorization.

12120351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12120351 is about 3481.4294477987. The cubic root of 12120351 is about 229.7056789814.

Adding to 12120351 its reverse (15302121), we get a palindrome (27422472).

The spelling of 12120351 in words is "twelve million, one hundred twenty thousand, three hundred fifty-one".