321230123121100 has 18 divisors (see below), whose sum is σ = 697069367173004. Its totient is φ = 128492049248400.

The previous prime is 321230123121007. The next prime is 321230123121107. The reversal of 321230123121100 is 1121321032123.

It is not an unprimeable number, because it can be changed into a prime (321230123121107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606150615506 + ... + 1606150615705.

Almost surely, 2^{321230123121100} is an apocalyptic number.

It is an amenable number.

321230123121100 is an abundant number, since it is smaller than the sum of its proper divisors (375839244051904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321230123121100 is a wasteful number, since it uses less digits than its factorization.

321230123121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212301231225 (or 3212301231218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321230123121100 its reverse (1121321032123), we get a palindrome (322351444153223).

The spelling of 321230123121100 in words is "three hundred twenty-one trillion, two hundred thirty billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred".