2112020011212 has 12 divisors (see below), whose sum is σ = 4928046692856. Its totient is φ = 704006670400.

The previous prime is 2112020011109. The next prime is 2112020011219. The reversal of 2112020011212 is 2121100202112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2112020011191 and 2112020011200.

It is not an unprimeable number, because it can be changed into a prime (2112020011219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88000833789 + ... + 88000833812.

It is an arithmetic number, because the mean of its divisors is an integer number (410670557738).

Almost surely, 2^{2112020011212} is an apocalyptic number.

It is an amenable number.

2112020011212 is an abundant number, since it is smaller than the sum of its proper divisors (2816026681644).

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

2112020011212 is a wasteful number, since it uses less digits than its factorization.

2112020011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176001667608 (or 176001667606 counting only the distinct ones).

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

Adding to 2112020011212 its reverse (2121100202112), we get a palindrome (4233120213324).

The spelling of 2112020011212 in words is "two trillion, one hundred twelve billion, twenty million, eleven thousand, two hundred twelve".