201112121222012 has 96 divisors (see below), whose sum is σ = 482597276313600. Its totient is φ = 70789141163520.

The previous prime is 201112121221969. The next prime is 201112121222027. The reversal of 201112121222012 is 210222121211102.

201112121222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534150137 + ... + 534526512.

It is an arithmetic number, because the mean of its divisors is an integer number (5027054961600).

Almost surely, 2^{201112121222012} is an apocalyptic number.

201112121222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201112121222012 is an abundant number, since it is smaller than the sum of its proper divisors (281485155091588).

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

201112121222012 is a wasteful number, since it uses less digits than its factorization.

201112121222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068676731 (or 1068676729 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201112121222012 its reverse (210222121211102), we get a palindrome (411334242433114).

The spelling of 201112121222012 in words is "two hundred one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, twelve".