123211222112321 has 16 divisors (see below), whose sum is σ = 144329504426880. Its totient is φ = 103003322716800.

The previous prime is 123211222112281. The next prime is 123211222112351.

123211222112321 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 123211222112321 - 2²⁶ = 123211155003457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123211222112351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300499636 + ... + 1300594373.

It is an arithmetic number, because the mean of its divisors is an integer number (9020594026680).

Almost surely, 2^{123211222112321} is an apocalyptic number.

It is an amenable number.

123211222112321 is a deficient number, since it is larger than the sum of its proper divisors (21118282314559).

123211222112321 is a wasteful number, since it uses less digits than its factorization.

123211222112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601094184.

The product of its digits is 1152, while the sum is 26.

The spelling of 123211222112321 in words is "one hundred twenty-three trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".