121303321213 has 8 divisors (see below), whose sum is σ = 127705514400. Its totient is φ = 114902908848.

The previous prime is 121303321199. The next prime is 121303321219. The reversal of 121303321213 is 312123303121.

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-121303321213 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 (121303321219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304231 + ... + 578932.

It is an arithmetic number, because the mean of its divisors is an integer number (15963189300).

Almost surely, 2^121303321213 is an apocalyptic number.

It is an amenable number.

121303321213 is a deficient number, since it is larger than the sum of its proper divisors (6402193187).

121303321213 is an equidigital number, since it uses as much as digits as its factorization.

121303321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890411.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121303321213 its reverse (312123303121), we get a palindrome (433426624334).

The spelling of 121303321213 in words is "one hundred twenty-one billion, three hundred three million, three hundred twenty-one thousand, two hundred thirteen".