2112212102012 has 12 divisors (see below), whose sum is σ = 3696459793656. Its totient is φ = 1056080732400.

The previous prime is 2112212101999. The next prime is 2112212102023. The reversal of 2112212102012 is 2102012122112.

It is a super-2 number, since 2×2112212102012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6141323 + ... + 6476130.

It is an arithmetic number, because the mean of its divisors is an integer number (308038316138).

Almost surely, 2^{2112212102012} is an apocalyptic number.

It is an amenable number.

2112212102012 is a deficient number, since it is larger than the sum of its proper divisors (1584247691644).

2112212102012 is a wasteful number, since it uses less digits than its factorization.

2112212102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659308 (or 12659306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112212102012 its reverse (2102012122112), we get a palindrome (4214224224124).

The spelling of 2112212102012 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, twelve".