2112200100012 has 24 divisors (see below), whose sum is σ = 4928599860912. Its totient is φ = 704047705600.

The previous prime is 2112200099983. The next prime is 2112200100071. The reversal of 2112200100012 is 2100010022112.

It is a super-2 number, since 2×2112200100012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907289 + ... + 2803952.

It is an arithmetic number, because the mean of its divisors is an integer number (205358327538).

Almost surely, 2^{2112200100012} is an apocalyptic number.

It is an amenable number.

2112200100012 is an abundant number, since it is smaller than the sum of its proper divisors (2816399760900).

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

2112200100012 is a wasteful number, since it uses less digits than its factorization.

2112200100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748609 (or 4748607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2112200100012 its reverse (2100010022112), we get a palindrome (4212210122124).

The spelling of 2112200100012 in words is "two trillion, one hundred twelve billion, two hundred million, one hundred thousand, twelve".