121323213013 has 8 divisors (see below), whose sum is σ = 129105403200. Its totient is φ = 113612748480.

The previous prime is 121323212999. The next prime is 121323213071. The reversal of 121323213013 is 310312323121.

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 121323213013 - 2¹⁷ = 121323081941 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 (121323217013) 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, 17927923 + ... + 17934688.

It is an arithmetic number, because the mean of its divisors is an integer number (16138175400).

Almost surely, 2^121323213013 is an apocalyptic number.

It is an amenable number.

121323213013 is a deficient number, since it is larger than the sum of its proper divisors (7782190187).

121323213013 is a wasteful number, since it uses less digits than its factorization.

121323213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35862827.

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

Adding to 121323213013 its reverse (310312323121), we get a palindrome (431635536134).

The spelling of 121323213013 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred thirteen thousand, thirteen".