323212400121 has 48 divisors (see below), whose sum is σ = 471125155200. Its totient is φ = 197000294400.

The previous prime is 323212400087. The next prime is 323212400179. The reversal of 323212400121 is 121004212323.

It is not a de Polignac number, because 323212400121 - 2¹⁷ = 323212269049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (323212400321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26712345 + ... + 26724441.

It is an arithmetic number, because the mean of its divisors is an integer number (9815107400).

Almost surely, 2^323212400121 is an apocalyptic number.

It is an amenable number.

323212400121 is a deficient number, since it is larger than the sum of its proper divisors (147912755079).

323212400121 is a wasteful number, since it uses less digits than its factorization.

323212400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12613 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 323212400121 its reverse (121004212323), we get a palindrome (444216612444).

The spelling of 323212400121 in words is "three hundred twenty-three billion, two hundred twelve million, four hundred thousand, one hundred twenty-one".