1123436343212 has 24 divisors (see below), whose sum is σ = 1967209080816. Its totient is φ = 561376715328.

The previous prime is 1123436343151. The next prime is 1123436343313. The reversal of 1123436343212 is 2123436343211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58299203 + ... + 58318469.

It is an arithmetic number, because the mean of its divisors is an integer number (81967045034).

Almost surely, 2^{1123436343212} is an apocalyptic number.

It is an amenable number.

1123436343212 is a deficient number, since it is larger than the sum of its proper divisors (843772737604).

1123436343212 is a wasteful number, since it uses less digits than its factorization.

1123436343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27377 (or 27375 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

Subtracting 1123436343212 from its reverse (2123436343211), we obtain a palindrome (999999999999).

The spelling of 1123436343212 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-six million, three hundred forty-three thousand, two hundred twelve".