12135022 has 4 divisors (see below), whose sum is σ = 18202536. Its totient is φ = 6067510.

The previous prime is 12135017. The next prime is 12135023. The reversal of 12135022 is 22053121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12134987 and 12135005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135023) 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 as a sum of consecutive naturals, namely, 3033754 + ... + 3033757.

It is an arithmetic number, because the mean of its divisors is an integer number (4550634).

Almost surely, 2^12135022 is an apocalyptic number.

12135022 is a deficient number, since it is larger than the sum of its proper divisors (6067514).

12135022 is an equidigital number, since it uses as much as digits as its factorization.

12135022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067513.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12135022 is about 3483.5358473827. The cubic root of 12135022 is about 229.7983235259.

Adding to 12135022 its reverse (22053121), we get a palindrome (34188143).

The spelling of 12135022 in words is "twelve million, one hundred thirty-five thousand, twenty-two".