111012200212212 has 72 divisors (see below), whose sum is σ = 302310618322440. Its totient is φ = 34145083146240.

The previous prime is 111012200212181. The next prime is 111012200212223. The reversal of 111012200212212 is 212212002210111.

111012200212212 is a `hidden beast` number, since 11 + 10 + 1 + 220 + 0 + 212 + 212 = 666.

111012200212212 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25020444177936 + 85991756034276 = 5002044^2 + 9273174^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42182989 + ... + 44737332.

Almost surely, 2^{111012200212212} is an apocalyptic number.

111012200212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111012200212212 is an abundant number, since it is smaller than the sum of its proper divisors (191298418110228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111012200212212 is a wasteful number, since it uses less digits than its factorization.

111012200212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86923073 (or 86923068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111012200212212 its reverse (212212002210111), we get a palindrome (323224202422323).

The spelling of 111012200212212 in words is "one hundred eleven trillion, twelve billion, two hundred million, two hundred twelve thousand, two hundred twelve".