1132223121220 has 12 divisors (see below), whose sum is σ = 2377668554604. Its totient is φ = 452889248480.

The previous prime is 1132223121203. The next prime is 1132223121233. The reversal of 1132223121220 is 221213222311.

It can be written as a sum of positive squares in 2 ways, for example, as 525497407744 + 606725713476 = 724912^2 + 778926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1132223121191 and 1132223121200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28305578011 + ... + 28305578050.

It is an arithmetic number, because the mean of its divisors is an integer number (198139046217).

Almost surely, 2^{1132223121220} is an apocalyptic number.

1132223121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132223121220 is an abundant number, since it is smaller than the sum of its proper divisors (1245445433384).

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

1132223121220 is a wasteful number, since it uses less digits than its factorization.

1132223121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56611156070 (or 56611156068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1132223121220 its reverse (221213222311), we get a palindrome (1353436343531).

The spelling of 1132223121220 in words is "one trillion, one hundred thirty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty".