2112210000012 has 192 divisors, whose sum is σ = 5875058868224. Its totient is φ = 577922273280.

The previous prime is 2112210000001. The next prime is 2112210000029. The reversal of 2112210000012 is 2100000122112.

It is a super-2 number, since 2×2112210000012² (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 63 ways as a sum of consecutive naturals, for example, 566730093 + ... + 566733819.

Almost surely, 2^{2112210000012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112210000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937529434112).

2112210000012 is an abundant number, since it is smaller than the sum of its proper divisors (3762848868212).

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

2112210000012 is a wasteful number, since it uses less digits than its factorization.

2112210000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988 (or 5986 counting only the distinct ones).

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

Adding to 2112210000012 its reverse (2100000122112), we get a palindrome (4212210122124).

It can be divided in two parts, 2112 and 210000012, that multiplied together give a palindrome (443520025344).

The spelling of 2112210000012 in words is "two trillion, one hundred twelve billion, two hundred ten million, twelve", and thus it is an aban number.