1233222221200 has 120 divisors (see below), whose sum is σ = 3142844282592. Its totient is φ = 463421736960.

The previous prime is 1233222221197. The next prime is 1233222221207. The reversal of 1233222221200 is 21222223321.

It is a super-2 number, since 2×1233222221200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233222221207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3553827 + ... + 3885373.

Almost surely, 2^{1233222221200} is an apocalyptic number.

1233222221200 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 1233222221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571422141296).

1233222221200 is an abundant number, since it is smaller than the sum of its proper divisors (1909622061392).

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

1233222221200 is a wasteful number, since it uses less digits than its factorization.

1233222221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332129 (or 332118 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1233222221200 its reverse (21222223321), we get a palindrome (1254444444521).

The spelling of 1233222221200 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred".