12036123 has 12 divisors (see below), whose sum is σ = 18966168. Its totient is φ = 7294560.

The previous prime is 12036113. The next prime is 12036151. The reversal of 12036123 is 32163021.

It is not a de Polignac number, because 12036123 - 2¹⁶ = 11970587 is a prime.

It is a super-2 number, since 2×12036123² = 289736513742258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12036096 and 12036105.

It is not an unprimeable number, because it can be changed into a prime (12036103) 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 11 ways as a sum of consecutive naturals, for example, 60690 + ... + 60887.

It is an arithmetic number, because the mean of its divisors is an integer number (1580514).

Almost surely, 2^12036123 is an apocalyptic number.

12036123 is a deficient number, since it is larger than the sum of its proper divisors (6930045).

12036123 is a wasteful number, since it uses less digits than its factorization.

12036123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121594 (or 121591 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12036123 is about 3469.3116031859. The cubic root of 12036123 is about 229.1723434553.

Adding to 12036123 its reverse (32163021), we get a palindrome (44199144).

The spelling of 12036123 in words is "twelve million, thirty-six thousand, one hundred twenty-three".