112201012221012 has 144 divisors (see below), whose sum is σ = 336638090023872. Its totient is φ = 31061342730240.

The previous prime is 112201012220981. The next prime is 112201012221017. The reversal of 112201012221012 is 210122210102211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201012221017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111846358 + ... + 112845069.

Almost surely, 2^{112201012221012} is an apocalyptic number.

112201012221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112201012221012 is an abundant number, since it is smaller than the sum of its proper divisors (224437077802860).

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

112201012221012 is a wasteful number, since it uses less digits than its factorization.

112201012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224691558 (or 224691553 counting only the distinct ones).

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

Adding to 112201012221012 its reverse (210122210102211), we get a palindrome (322323222323223).

The spelling of 112201012221012 in words is "one hundred twelve trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, twelve".