321201231010 has 64 divisors (see below), whose sum is σ = 651102883200. Its totient is φ = 113074375680.

The previous prime is 321201230981. The next prime is 321201231041. The reversal of 321201231010 is 10132102123.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 234016 + ... + 834964.

It is an arithmetic number, because the mean of its divisors is an integer number (10173482550).

Almost surely, 2^321201231010 is an apocalyptic number.

321201231010 is an abundant number, since it is smaller than the sum of its proper divisors (329901652190).

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

321201231010 is a wasteful number, since it uses less digits than its factorization.

321201231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601123.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321201231010 its reverse (10132102123), we get a palindrome (331333333133).

The spelling of 321201231010 in words is "three hundred twenty-one billion, two hundred one million, two hundred thirty-one thousand, ten".