12111302122012 has 48 divisors (see below), whose sum is σ = 22238679909600. Its totient is φ = 5764835543040.

The previous prime is 12111302122001. The next prime is 12111302122211. The reversal of 12111302122012 is 21022120311121.

It is a congruent number.

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, 6264414 + ... + 7966522.

It is an arithmetic number, because the mean of its divisors is an integer number (463305831450).

Almost surely, 2^{12111302122012} is an apocalyptic number.

It is an amenable number.

12111302122012 is a deficient number, since it is larger than the sum of its proper divisors (10127377787588).

12111302122012 is a wasteful number, since it uses less digits than its factorization.

12111302122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703206 (or 1703204 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12111302122012 its reverse (21022120311121), we get a palindrome (33133422433133).

The spelling of 12111302122012 in words is "twelve trillion, one hundred eleven billion, three hundred two million, one hundred twenty-two thousand, twelve".