321221323122123 has 32 divisors (see below), whose sum is σ = 446551588012032. Its totient is φ = 205216719696000.

The previous prime is 321221323122113. The next prime is 321221323122173.

It is a happy number.

321221323122123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321221323122123 - 2⁶ = 321221323122059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321221323122113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72864811 + ... + 77147412.

It is an arithmetic number, because the mean of its divisors is an integer number (13954737125376).

Almost surely, 2^{321221323122123} is an apocalyptic number.

321221323122123 is a deficient number, since it is larger than the sum of its proper divisors (125330264889909).

321221323122123 is a wasteful number, since it uses less digits than its factorization.

321221323122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150012555.

The product of its digits is 10368, while the sum is 30.

The spelling of 321221323122123 in words is "three hundred twenty-one trillion, two hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-two thousand, one hundred twenty-three".