112212120121002 has 96 divisors (see below), whose sum is σ = 274409305060800. Its totient is φ = 33964085881440.

The previous prime is 112212120120979. The next prime is 112212120121009. The reversal of 112212120121002 is 200121021212211.

112212120121002 is a `hidden beast` number, since 11 + 221 + 21 + 201 + 210 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (112212120121009) 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, 4383553 + ... + 15608964.

It is an arithmetic number, because the mean of its divisors is an integer number (2858430261050).

Almost surely, 2^{112212120121002} is an apocalyptic number.

112212120121002 is an abundant number, since it is smaller than the sum of its proper divisors (162197184939798).

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

112212120121002 is a wasteful number, since it uses less digits than its factorization.

112212120121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993409 (or 19993392 counting only the distinct ones).

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

Adding to 112212120121002 its reverse (200121021212211), we get a palindrome (312333141333213).

The spelling of 112212120121002 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-one thousand, two".