1222011000200 has 96 divisors (see below), whose sum is σ = 2858859376200. Its totient is φ = 485764546560.

The previous prime is 1222011000193. The next prime is 1222011000229. The reversal of 1222011000200 is 20001102221.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 751900562884 + 470110437316 = 867122^2 + 685646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95247386 + ... + 95260214.

Almost surely, 2^{1222011000200} is an apocalyptic number.

1222011000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222011000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429429688100).

1222011000200 is an abundant number, since it is smaller than the sum of its proper divisors (1636848376000).

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

1222011000200 is a wasteful number, since it uses less digits than its factorization.

1222011000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771 (or 15762 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222011000200 its reverse (20001102221), we get a palindrome (1242012102421).

The spelling of 1222011000200 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred", and thus it is an aban number.