12020342 has 4 divisors (see below), whose sum is σ = 18030516. Its totient is φ = 6010170.

The previous prime is 12020341. The next prime is 12020363. The reversal of 12020342 is 24302021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005084 + ... + 3005087.

It is an arithmetic number, because the mean of its divisors is an integer number (4507629).

Almost surely, 2^12020342 is an apocalyptic number.

12020342 is a deficient number, since it is larger than the sum of its proper divisors (6010174).

12020342 is an equidigital number, since it uses as much as digits as its factorization.

12020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010173.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12020342 is about 3467.0364866843. The cubic root of 12020342 is about 229.0721409092.

Adding to 12020342 its reverse (24302021), we get a palindrome (36322363).

The spelling of 12020342 in words is "twelve million, twenty thousand, three hundred forty-two".