121322001323 has 16 divisors (see below), whose sum is σ = 129579125760. Its totient is φ = 113381452800.

The previous prime is 121322001301. The next prime is 121322001331. The reversal of 121322001323 is 323100223121.

It is a cyclic number.

It is not a de Polignac number, because 121322001323 - 2²² = 121317807019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121322001295 and 121322001304.

It is not an unprimeable number, because it can be changed into a prime (121322001343) 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 15 ways as a sum of consecutive naturals, for example, 250718 + ... + 552723.

It is an arithmetic number, because the mean of its divisors is an integer number (8098695360).

Almost surely, 2^121322001323 is an apocalyptic number.

121322001323 is a deficient number, since it is larger than the sum of its proper divisors (8257124437).

121322001323 is a wasteful number, since it uses less digits than its factorization.

121322001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803638.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121322001323 its reverse (323100223121), we get a palindrome (444422224444).

The spelling of 121322001323 in words is "one hundred twenty-one billion, three hundred twenty-two million, one thousand, three hundred twenty-three".