111012212012012 has 12 divisors (see below), whose sum is σ = 195689410226520. Its totient is φ = 55100951947296.

The previous prime is 111012212012003. The next prime is 111012212012047. The reversal of 111012212012012 is 210210212210111.

It is a super-2 number, since 2×111012212012012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101288514062 + ... + 101288515157.

It is an arithmetic number, because the mean of its divisors is an integer number (16307450852210).

Almost surely, 2^{111012212012012} is an apocalyptic number.

It is an amenable number.

111012212012012 is a deficient number, since it is larger than the sum of its proper divisors (84677198214508).

111012212012012 is a wasteful number, since it uses less digits than its factorization.

111012212012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202577029360 (or 202577029358 counting only the distinct ones).

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

Adding to 111012212012012 its reverse (210210212210111), we get a palindrome (321222424222123).

The spelling of 111012212012012 in words is "one hundred eleven trillion, twelve billion, two hundred twelve million, twelve thousand, twelve".