121323213001 has 8 divisors (see below), whose sum is σ = 125558642880. Its totient is φ = 117091241232.

The previous prime is 121323212999. The next prime is 121323213071. The reversal of 121323213001 is 100312323121.

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

It is not a de Polignac number, because 121323213001 - 2¹ = 121323212999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121323213001.

It is not an unprimeable number, because it can be changed into a prime (121323213071) 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, 793035 + ... + 933568.

It is an arithmetic number, because the mean of its divisors is an integer number (15694830360).

Almost surely, 2^121323213001 is an apocalyptic number.

It is an amenable number.

121323213001 is a deficient number, since it is larger than the sum of its proper divisors (4235429879).

121323213001 is a wasteful number, since it uses less digits than its factorization.

121323213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729055.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121323213001 its reverse (100312323121), we get a palindrome (221635536122).

The spelling of 121323213001 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred thirteen thousand, one".