12102042 has 32 divisors (see below), whose sum is σ = 24805440. Its totient is φ = 3935360.

The previous prime is 12102029. The next prime is 12102043. The reversal of 12102042 is 24020121.

12102042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12102043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69868 + ... + 70040.

It is an arithmetic number, because the mean of its divisors is an integer number (775170).

Almost surely, 2^12102042 is an apocalyptic number.

12102042 is an abundant number, since it is smaller than the sum of its proper divisors (12703398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102042 is a wasteful number, since it uses less digits than its factorization.

12102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12102042 is about 3478.7989306656. The cubic root of 12102042 is about 229.5899562393.

Adding to 12102042 its reverse (24020121), we get a palindrome (36122163).

The spelling of 12102042 in words is "twelve million, one hundred two thousand, forty-two".