1222133132220 has 576 divisors, whose sum is σ = 4830679848960. Its totient is φ = 224220395520.

The previous prime is 1222133132203. The next prime is 1222133132249. The reversal of 1222133132220 is 222313312221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15154966 + ... + 15235394.

It is an arithmetic number, because the mean of its divisors is an integer number (8386596960).

Almost surely, 2^{1222133132220} is an apocalyptic number.

1222133132220 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 1222133132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415339924480).

1222133132220 is an abundant number, since it is smaller than the sum of its proper divisors (3608546716740).

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

1222133132220 is a wasteful number, since it uses less digits than its factorization.

1222133132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80506 (or 80493 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1222133132220 its reverse (222313312221), we get a palindrome (1444446444441).

The spelling of 1222133132220 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty".