12211342 has 16 divisors (see below), whose sum is σ = 21519792. Its totient is φ = 5123520.

The previous prime is 12211337. The next prime is 12211343. The reversal of 12211342 is 24311221.

12211342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21063 + ... + 21634.

It is an arithmetic number, because the mean of its divisors is an integer number (1344987).

Almost surely, 2^12211342 is an apocalyptic number.

12211342 is a deficient number, since it is larger than the sum of its proper divisors (9308450).

12211342 is a wasteful number, since it uses less digits than its factorization.

12211342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723.

The product of its digits is 96, while the sum is 16.

The square root of 12211342 is about 3494.4730647123. The cubic root of 12211342 is about 230.2790689441.

Adding to 12211342 its reverse (24311221), we get a palindrome (36522563).

The spelling of 12211342 in words is "twelve million, two hundred eleven thousand, three hundred forty-two".