1323220212133 has 16 divisors (see below), whose sum is σ = 1428532174080. Its totient is φ = 1221900270976.

The previous prime is 1323220212131. The next prime is 1323220212199. The reversal of 1323220212133 is 3312120223231.

It is a cyclic number.

It is not a de Polignac number, because 1323220212133 - 2¹ = 1323220212131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323220212098 and 1323220212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323220212131) 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, 5761641 + ... + 5986897.

It is an arithmetic number, because the mean of its divisors is an integer number (89283260880).

Almost surely, 2^{1323220212133} is an apocalyptic number.

It is an amenable number.

1323220212133 is a deficient number, since it is larger than the sum of its proper divisors (105311961947).

1323220212133 is a wasteful number, since it uses less digits than its factorization.

1323220212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234116.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1323220212133 its reverse (3312120223231), we get a palindrome (4635340435364).

The spelling of 1323220212133 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, two hundred twelve thousand, one hundred thirty-three".