1323212322133 has 16 divisors (see below), whose sum is σ = 1508862826800. Its totient is φ = 1149546479616.

The previous prime is 1323212322119. The next prime is 1323212322139. The reversal of 1323212322133 is 3312232123231.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2510310609 + 1320702011524 = 50103^2 + 1149218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323212322133 - 2⁹ = 1323212321621 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 (1323212322139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11889441 + ... + 12000217.

It is an arithmetic number, because the mean of its divisors is an integer number (94303926675).

Almost surely, 2^{1323212322133} is an apocalyptic number.

1323212322133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323212322133 is a deficient number, since it is larger than the sum of its proper divisors (185650504667).

1323212322133 is a wasteful number, since it uses less digits than its factorization.

1323212322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164856.

The product of its digits is 7776, while the sum is 28.

Adding to 1323212322133 its reverse (3312232123231), we get a palindrome (4635444445364).

The spelling of 1323212322133 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, three hundred twenty-two thousand, one hundred thirty-three".