1112002021212 has 48 divisors (see below), whose sum is σ = 2604212567040. Its totient is φ = 369304691328.

The previous prime is 1112002021177. The next prime is 1112002021219. The reversal of 1112002021212 is 2121202002111.

It is a junction number, because it is equal to n+sod(n) for n = 1112002021191 and 1112002021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112002021219) 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, 28992864 + ... + 29031192.

It is an arithmetic number, because the mean of its divisors is an integer number (54254428480).

Almost surely, 2^{1112002021212} is an apocalyptic number.

1112002021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112002021212 is an abundant number, since it is smaller than the sum of its proper divisors (1492210545828).

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

1112002021212 is a wasteful number, since it uses less digits than its factorization.

1112002021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47162 (or 47160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112002021212 its reverse (2121202002111), we get a palindrome (3233204023323).

The spelling of 1112002021212 in words is "one trillion, one hundred twelve billion, two million, twenty-one thousand, two hundred twelve".