1332221210305 has 4 divisors (see below), whose sum is σ = 1598665452372. Its totient is φ = 1065776968240.

The previous prime is 1332221210297. The next prime is 1332221210323. The reversal of 1332221210305 is 5030121222331.

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 1023326467216 + 308894743089 = 1011596^2 + 555783^2 .

It is not a de Polignac number, because 1332221210305 - 2³ = 1332221210297 is a prime.

It is a super-3 number, since 3×1332221210305³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1332221210305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133222121026 + ... + 133222121035.

It is an arithmetic number, because the mean of its divisors is an integer number (399666363093).

Almost surely, 2^{1332221210305} is an apocalyptic number.

It is an amenable number.

1332221210305 is a deficient number, since it is larger than the sum of its proper divisors (266444242067).

1332221210305 is an equidigital number, since it uses as much as digits as its factorization.

1332221210305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266444242066.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1332221210305 its reverse (5030121222331), we get a palindrome (6362342432636).

The spelling of 1332221210305 in words is "one trillion, three hundred thirty-two billion, two hundred twenty-one million, two hundred ten thousand, three hundred five".