321203112010004 has 24 divisors (see below), whose sum is σ = 642406931201280. Its totient is φ = 137658325036896.

The previous prime is 321203112010003. The next prime is 321203112010013. The reversal of 321203112010004 is 400010211302123.

It is a super-2 number, since 2×321203112010004² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321203112010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21766277 + ... + 33409235.

It is an arithmetic number, because the mean of its divisors is an integer number (26766955466720).

Almost surely, 2^{321203112010004} is an apocalyptic number.

It is an amenable number.

321203112010004 is an abundant number, since it is smaller than the sum of its proper divisors (321203819191276).

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

321203112010004 is a wasteful number, since it uses less digits than its factorization.

321203112010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12628247 (or 12628245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321203112010004 its reverse (400010211302123), we get a palindrome (721213323312127).

The spelling of 321203112010004 in words is "three hundred twenty-one trillion, two hundred three billion, one hundred twelve million, ten thousand, four".