12348321142 has 4 divisors (see below), whose sum is σ = 18522481716. Its totient is φ = 6174160570.

The previous prime is 12348321119. The next prime is 12348321143. The reversal of 12348321142 is 24112384321.

It is a happy number.

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 (12348321143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3087080284 + ... + 3087080287.

It is an arithmetic number, because the mean of its divisors is an integer number (4630620429).

Almost surely, 2^12348321142 is an apocalyptic number.

12348321142 is a deficient number, since it is larger than the sum of its proper divisors (6174160574).

12348321142 is an equidigital number, since it uses as much as digits as its factorization.

12348321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174160573.

The product of its digits is 9216, while the sum is 31.

The spelling of 12348321142 in words is "twelve billion, three hundred forty-eight million, three hundred twenty-one thousand, one hundred forty-two".