111213220012 has 12 divisors (see below), whose sum is σ = 196023302440. Its totient is φ = 55206562176.

The previous prime is 111213220007. The next prime is 111213220043. The reversal of 111213220012 is 210022312111.

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 3 ways as a sum of consecutive naturals, for example, 100011333 + ... + 100012444.

Almost surely, 2^111213220012 is an apocalyptic number.

It is an amenable number.

111213220012 is a deficient number, since it is larger than the sum of its proper divisors (84810082428).

111213220012 is a wasteful number, since it uses less digits than its factorization.

111213220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200023920 (or 200023918 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111213220012 its reverse (210022312111), we get a palindrome (321235532123).

The spelling of 111213220012 in words is "one hundred eleven billion, two hundred thirteen million, two hundred twenty thousand, twelve".