111200000012 has 6 divisors (see below), whose sum is σ = 194600000028. Its totient is φ = 55600000004.

The previous prime is 111199999997. The next prime is 111200000047. The reversal of 111200000012 is 210000002111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13899999998 + ... + 13900000005.

It is an arithmetic number, because the mean of its divisors is an integer number (32433333338).

Almost surely, 2^111200000012 is an apocalyptic number.

It is an amenable number.

111200000012 is a deficient number, since it is larger than the sum of its proper divisors (83400000016).

111200000012 is a wasteful number, since it uses less digits than its factorization.

111200000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27800000007 (or 27800000005 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 111200000012 its reverse (210000002111), we get a palindrome (321200002123).

The spelling of 111200000012 in words is "one hundred eleven billion, two hundred million, twelve", and thus it is an aban number.