1222011002200 has 24 divisors (see below), whose sum is σ = 2841175580580. Its totient is φ = 488804400800.

The previous prime is 1222011002129. The next prime is 1222011002207. The reversal of 1222011002200 is 22001102221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222011002207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3055027306 + ... + 3055027705.

Almost surely, 2^{1222011002200} is an apocalyptic number.

1222011002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222011002200 is an abundant number, since it is smaller than the sum of its proper divisors (1619164578380).

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

1222011002200 is a wasteful number, since it uses less digits than its factorization.

1222011002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110055027 (or 6110055018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222011002200 its reverse (22001102221), we get a palindrome (1244012104421).

The spelling of 1222011002200 in words is "one trillion, two hundred twenty-two billion, eleven million, two thousand, two hundred".