1322231212305 has 48 divisors (see below), whose sum is σ = 2303887981824. Its totient is φ = 701492561280.

The previous prime is 1322231212301. The next prime is 1322231212327. The reversal of 1322231212305 is 5032121322231.

1322231212305 is a `hidden beast` number, since 1 + 3 + 222 + 312 + 123 + 0 + 5 = 666.

It is not a de Polignac number, because 1322231212305 - 2² = 1322231212301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322231212301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86576820 + ... + 86592090.

It is an arithmetic number, because the mean of its divisors is an integer number (47997666288).

Almost surely, 2^{1322231212305} is an apocalyptic number.

1322231212305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1322231212305 is a deficient number, since it is larger than the sum of its proper divisors (981656769519).

1322231212305 is a wasteful number, since it uses less digits than its factorization.

1322231212305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25246 (or 25243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1322231212305 its reverse (5032121322231), we get a palindrome (6354352534536).

The spelling of 1322231212305 in words is "one trillion, three hundred twenty-two billion, two hundred thirty-one million, two hundred twelve thousand, three hundred five".