1323120210011 has 8 divisors (see below), whose sum is σ = 1323779702784. Its totient is φ = 1322460881640.

The previous prime is 1323120209981. The next prime is 1323120210053. The reversal of 1323120210011 is 1100120213231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323120210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323120210611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17972006 + ... + 18045476.

It is an arithmetic number, because the mean of its divisors is an integer number (165472462848).

Almost surely, 2^{1323120210011} is an apocalyptic number.

1323120210011 is a deficient number, since it is larger than the sum of its proper divisors (659492773).

1323120210011 is an equidigital number, since it uses as much as digits as its factorization.

1323120210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82201.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1323120210011 its reverse (1100120213231), we get a palindrome (2423240423242).

The spelling of 1323120210011 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred ten thousand, eleven".