2112020021212 has 96 divisors (see below), whose sum is σ = 4177332891648. Its totient is φ = 928923899904.

The previous prime is 2112020021183. The next prime is 2112020021227. The reversal of 2112020021212 is 2121200202112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45331153 + ... + 45377719.

It is an arithmetic number, because the mean of its divisors is an integer number (43513884288).

Almost surely, 2^{2112020021212} is an apocalyptic number.

It is an amenable number.

2112020021212 is a deficient number, since it is larger than the sum of its proper divisors (2065312870436).

2112020021212 is a wasteful number, since it uses less digits than its factorization.

2112020021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47275 (or 47273 counting only the distinct ones).

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

Adding to 2112020021212 its reverse (2121200202112), we get a palindrome (4233220223324).

The spelling of 2112020021212 in words is "two trillion, one hundred twelve billion, twenty million, twenty-one thousand, two hundred twelve".