12123235 has 16 divisors (see below), whose sum is σ = 15732000. Its totient is φ = 8937216.

The previous prime is 12123217. The next prime is 12123239. The reversal of 12123235 is 53232121.

It is a cyclic number.

It is not a de Polignac number, because 12123235 - 2⁷ = 12123107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12123239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (983250).

Almost surely, 2^12123235 is an apocalyptic number.

12123235 is a deficient number, since it is larger than the sum of its proper divisors (3608765).

12123235 is a wasteful number, since it uses less digits than its factorization.

12123235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its digits is 360, while the sum is 19.

The square root of 12123235 is about 3481.8436208423. The cubic root of 12123235 is about 229.7238967882.

Adding to 12123235 its reverse (53232121), we get a palindrome (65355356).

The spelling of 12123235 in words is "twelve million, one hundred twenty-three thousand, two hundred thirty-five".