12050111 has 4 divisors (see below), whose sum is σ = 12078000. Its totient is φ = 12022224.

The previous prime is 12050099. The next prime is 12050113. The reversal of 12050111 is 11105021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11105021 = 23 ⋅482827.

It is a cyclic number.

It is not a de Polignac number, because 12050111 - 2¹⁴ = 12033727 is a prime.

It is a super-2 number, since 2×12050111² = 290410350224642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12050092 and 12050101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286 + ... + 14163.

It is an arithmetic number, because the mean of its divisors is an integer number (3019500).

Almost surely, 2^12050111 is an apocalyptic number.

12050111 is a deficient number, since it is larger than the sum of its proper divisors (27889).

12050111 is an equidigital number, since it uses as much as digits as its factorization.

12050111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 12050111 is about 3471.3269797010. The cubic root of 12050111 is about 229.2610880259.

Adding to 12050111 its reverse (11105021), we get a palindrome (23155132).

The spelling of 12050111 in words is "twelve million, fifty thousand, one hundred eleven".