2112211210012 has 72 divisors (see below), whose sum is σ = 3937324734000. Its totient is φ = 991269697536.

The previous prime is 2112211209943. The next prime is 2112211210049. The reversal of 2112211210012 is 2100121122112.

It is a super-2 number, since 2×2112211210012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896142738 + ... + 896145094.

It is an arithmetic number, because the mean of its divisors is an integer number (54685065750).

Almost surely, 2^{2112211210012} is an apocalyptic number.

It is an amenable number.

2112211210012 is a deficient number, since it is larger than the sum of its proper divisors (1825113523988).

2112211210012 is a wasteful number, since it uses less digits than its factorization.

2112211210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112211210012 its reverse (2100121122112), we get a palindrome (4212332332124).

The spelling of 2112211210012 in words is "two trillion, one hundred twelve billion, two hundred eleven million, two hundred ten thousand, twelve".