2112020202112 has 64 divisors (see below), whose sum is σ = 4213801305000. Its totient is φ = 1054439866368.

The previous prime is 2112020202101. The next prime is 2112020202119.

It is a happy number.

2112020202112 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 882352120896 + 1229668081216 = 939336^2 + 1108904^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2112020202119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479022564 + ... + 479026972.

Almost surely, 2^{2112020202112} is an apocalyptic number.

It is an amenable number.

2112020202112 is a deficient number, since it is larger than the sum of its proper divisors (2101781102888).

2112020202112 is a wasteful number, since it uses less digits than its factorization.

2112020202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 2112020 and 202112, that added together give a palindrome (2314132).

The spelling of 2112020202112 in words is "two trillion, one hundred twelve billion, twenty million, two hundred two thousand, one hundred twelve".