112212122012 has 12 divisors (see below), whose sum is σ = 196513418136. Its totient is φ = 56065431120.

The previous prime is 112212121949. The next prime is 112212122017. The reversal of 112212122012 is 210221212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212122017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151258 + ... + 10162305.

It is an arithmetic number, because the mean of its divisors is an integer number (16376118178).

Almost surely, 2^112212122012 is an apocalyptic number.

It is an amenable number.

112212122012 is a deficient number, since it is larger than the sum of its proper divisors (84301296124).

112212122012 is a wasteful number, since it uses less digits than its factorization.

112212122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314948 (or 20314946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112212122012 its reverse (210221212211), we get a palindrome (322433334223).

The spelling of 112212122012 in words is "one hundred twelve billion, two hundred twelve million, one hundred twenty-two thousand, twelve".