1211323333013 has 8 divisors (see below), whose sum is σ = 1226718931200. Its totient is φ = 1195929294768.

The previous prime is 1211323333001. The next prime is 1211323333039. The reversal of 1211323333013 is 3103333231121.

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 1211323333013 - 2⁴ = 1211323332997 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 (1211323333093) 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, 1214603 + ... + 1974311.

It is an arithmetic number, because the mean of its divisors is an integer number (153339866400).

Almost surely, 2^{1211323333013} is an apocalyptic number.

It is an amenable number.

1211323333013 is a deficient number, since it is larger than the sum of its proper divisors (15395598187).

1211323333013 is an equidigital number, since it uses as much as digits as its factorization.

1211323333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779971.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1211323333013 its reverse (3103333231121), we get a palindrome (4314656564134).

The spelling of 1211323333013 in words is "one trillion, two hundred eleven billion, three hundred twenty-three million, three hundred thirty-three thousand, thirteen".