1332232212221 has 4 divisors (see below), whose sum is σ = 1332473520444. Its totient is φ = 1331990904000.

The previous prime is 1332232212211. The next prime is 1332232212281. The reversal of 1332232212221 is 1222122322331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 993781696996 + 338450515225 = 996886^2 + 581765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332232212221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332232212211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120645830 + ... + 120656871.

It is an arithmetic number, because the mean of its divisors is an integer number (333118380111).

Almost surely, 2^{1332232212221} is an apocalyptic number.

It is an amenable number.

1332232212221 is a deficient number, since it is larger than the sum of its proper divisors (241308223).

1332232212221 is an equidigital number, since it uses as much as digits as its factorization.

1332232212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241308222.

The product of its digits is 3456, while the sum is 26.

Adding to 1332232212221 its reverse (1222122322331), we get a palindrome (2554354534552).

The spelling of 1332232212221 in words is "one trillion, three hundred thirty-two billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twenty-one".