2112100022012 has 12 divisors (see below), whose sum is σ = 3696207028920. Its totient is φ = 1056040870896.

The previous prime is 2112100021973. The next prime is 2112100022041. The reversal of 2112100022012 is 2102200012112.

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, 1751243 + ... + 2700194.

It is an arithmetic number, because the mean of its divisors is an integer number (308017252410).

Almost surely, 2^{2112100022012} is an apocalyptic number.

It is an amenable number.

2112100022012 is a deficient number, since it is larger than the sum of its proper divisors (1584107006908).

2112100022012 is a wasteful number, since it uses less digits than its factorization.

2112100022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570060 (or 4570058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112100022012 its reverse (2102200012112), we get a palindrome (4214300034124).

The spelling of 2112100022012 in words is "two trillion, one hundred twelve billion, one hundred million, twenty-two thousand, twelve".