111012120212012 has 6 divisors (see below), whose sum is σ = 194271210371028. Its totient is φ = 55506060106004.

The previous prime is 111012120212009. The next prime is 111012120212027. The reversal of 111012120212012 is 210212021210111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876515026498 + ... + 13876515026505.

It is an arithmetic number, because the mean of its divisors is an integer number (32378535061838).

Almost surely, 2^{111012120212012} is an apocalyptic number.

It is an amenable number.

111012120212012 is a deficient number, since it is larger than the sum of its proper divisors (83259090159016).

111012120212012 is a wasteful number, since it uses less digits than its factorization.

111012120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753030053007 (or 27753030053005 counting only the distinct ones).

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

Adding to 111012120212012 its reverse (210212021210111), we get a palindrome (321224141422123).

The spelling of 111012120212012 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, twelve".