321012323122 has 4 divisors (see below), whose sum is σ = 481518484686. Its totient is φ = 160506161560.

The previous prime is 321012323117. The next prime is 321012323123. The reversal of 321012323122 is 221323210123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192983611401 + 128028711721 = 439299^2 + 357811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321012323093 and 321012323102.

It is not an unprimeable number, because it can be changed into a prime (321012323123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80253080779 + ... + 80253080782.

Almost surely, 2^321012323122 is an apocalyptic number.

321012323122 is a deficient number, since it is larger than the sum of its proper divisors (160506161564).

321012323122 is a wasteful number, since it uses less digits than its factorization.

321012323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160506161563.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321012323122 its reverse (221323210123), we get a palindrome (542335533245).

The spelling of 321012323122 in words is "three hundred twenty-one billion, twelve million, three hundred twenty-three thousand, one hundred twenty-two".