12103213342 has 32 divisors (see below), whose sum is σ = 21086249184. Its totient is φ = 5149209600.

The previous prime is 12103213337. The next prime is 12103213349. The reversal of 12103213342 is 24331230121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103213349) 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, 21703 + ... + 157090.

It is an arithmetic number, because the mean of its divisors is an integer number (658945287).

Almost surely, 2^12103213342 is an apocalyptic number.

12103213342 is a deficient number, since it is larger than the sum of its proper divisors (8983035842).

12103213342 is a wasteful number, since it uses less digits than its factorization.

12103213342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179004.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12103213342 its reverse (24331230121), we get a palindrome (36434443463).

The spelling of 12103213342 in words is "twelve billion, one hundred three million, two hundred thirteen thousand, three hundred forty-two".