111212114012 has 6 divisors (see below), whose sum is σ = 194621199528. Its totient is φ = 55606057004.

The previous prime is 111212114009. The next prime is 111212114017. The reversal of 111212114012 is 210411212111.

It is a super-2 number, since 2×111212114012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212114017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901514248 + ... + 13901514255.

It is an arithmetic number, because the mean of its divisors is an integer number (32436866588).

Almost surely, 2^111212114012 is an apocalyptic number.

It is an amenable number.

111212114012 is a deficient number, since it is larger than the sum of its proper divisors (83409085516).

111212114012 is a wasteful number, since it uses less digits than its factorization.

111212114012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27803028507 (or 27803028505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111212114012 its reverse (210411212111), we get a palindrome (321623326123).

The spelling of 111212114012 in words is "one hundred eleven billion, two hundred twelve million, one hundred fourteen thousand, twelve".