112100011212 has 48 divisors (see below), whose sum is σ = 309241416960. Its totient is φ = 30924140352.

The previous prime is 112100011211. The next prime is 112100011217. The reversal of 112100011212 is 212110001211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (112100011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23006598 + ... + 23011469.

It is an arithmetic number, because the mean of its divisors is an integer number (6442529520).

Almost surely, 2^112100011212 is an apocalyptic number.

112100011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112100011212 is an abundant number, since it is smaller than the sum of its proper divisors (197141405748).

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

112100011212 is a wasteful number, since it uses less digits than its factorization.

112100011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46018110 (or 46018108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112100011212 its reverse (212110001211), we get a palindrome (324210012423).

The spelling of 112100011212 in words is "one hundred twelve billion, one hundred million, eleven thousand, two hundred twelve".