12342243212 has 48 divisors (see below), whose sum is σ = 24722530560. Its totient is φ = 5344170048.

The previous prime is 12342243191. The next prime is 12342243241. The reversal of 12342243212 is 21234224321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41123 + ... + 162405.

It is an arithmetic number, because the mean of its divisors is an integer number (515052720).

Almost surely, 2^12342243212 is an apocalyptic number.

It is an amenable number.

12342243212 is an abundant number, since it is smaller than the sum of its proper divisors (12380287348).

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

12342243212 is a wasteful number, since it uses less digits than its factorization.

12342243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121422 (or 121420 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 12342243212 its reverse (21234224321), we get a palindrome (33576467533).

It can be divided in two parts, 1234224321 and 2, that multiplied together give a palindrome (2468448642).

The spelling of 12342243212 in words is "twelve billion, three hundred forty-two million, two hundred forty-three thousand, two hundred twelve".