1322221212305 has 8 divisors (see below), whose sum is σ = 1813331948352. Its totient is φ = 906665974128.

The previous prime is 1322221212287. The next prime is 1322221212359. The reversal of 1322221212305 is 5032121222231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322221212305 - 2²⁸ = 1321952776849 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 18888874427 + ... + 18888874496.

It is an arithmetic number, because the mean of its divisors is an integer number (226666493544).

Almost surely, 2^{1322221212305} is an apocalyptic number.

It is an amenable number.

1322221212305 is a deficient number, since it is larger than the sum of its proper divisors (491110736047).

1322221212305 is an equidigital number, since it uses as much as digits as its factorization.

1322221212305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37777748935.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1322221212305 its reverse (5032121222231), we get a palindrome (6354342434536).

The spelling of 1322221212305 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, three hundred five".