2011222200012 has 96 divisors (see below), whose sum is σ = 4991528203200. Its totient is φ = 628100628480.

The previous prime is 2011222199977. The next prime is 2011222200049. The reversal of 2011222200012 is 2100022221102.

It is a super-2 number, since 2×2011222200012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011222199964 and 2011222200000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149894328 + ... + 149907744.

It is an arithmetic number, because the mean of its divisors is an integer number (51995085450).

Almost surely, 2^{2011222200012} 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 2011222200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495764101600).

2011222200012 is an abundant number, since it is smaller than the sum of its proper divisors (2980306003188).

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

2011222200012 is a wasteful number, since it uses less digits than its factorization.

2011222200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16731 (or 16729 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2011222200012 its reverse (2100022221102), we get a palindrome (4111244421114).

The spelling of 2011222200012 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred thousand, twelve".