12052111 has 4 divisors (see below), whose sum is σ = 12105432. Its totient is φ = 11998792.

The previous prime is 12052093. The next prime is 12052123. The reversal of 12052111 is 11125021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11125021 = 17 ⋅654413.

It is a cyclic number.

It is not a de Polignac number, because 12052111 - 2⁷ = 12051983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12052091 and 12052100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26320 + ... + 26773.

It is an arithmetic number, because the mean of its divisors is an integer number (3026358).

Almost surely, 2^12052111 is an apocalyptic number.

12052111 is a deficient number, since it is larger than the sum of its proper divisors (53321).

12052111 is an equidigital number, since it uses as much as digits as its factorization.

12052111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53320.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12052111 is about 3471.6150420229. The cubic root of 12052111 is about 229.2737710851.

Adding to 12052111 its reverse (11125021), we get a palindrome (23177132).

The spelling of 12052111 in words is "twelve million, fifty-two thousand, one hundred eleven".