12111120010012 has 36 divisors (see below), whose sum is σ = 22380616022016. Its totient is φ = 5733782121600.

The previous prime is 12111120009979. The next prime is 12111120010063. The reversal of 12111120010012 is 21001002111121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12111120009974 and 12111120010001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465637 + ... + 4943587.

Almost surely, 2^{12111120010012} is an apocalyptic number.

It is an amenable number.

12111120010012 is a deficient number, since it is larger than the sum of its proper divisors (10269496012004).

12111120010012 is a wasteful number, since it uses less digits than its factorization.

12111120010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479866 (or 4479845 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12111120010012 its reverse (21001002111121), we get a palindrome (33112122121133).

The spelling of 12111120010012 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, ten thousand, twelve".