321213404001 has 8 divisors (see below), whose sum is σ = 489468044224. Its totient is φ = 183550516560.

The previous prime is 321213403999. The next prime is 321213404011. The reversal of 321213404001 is 100404312123.

321213404001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321213404001 - 2¹ = 321213403999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 15295876381 = 321213404001 / (3 + 2 + 1 + 2 + 1 + 3 + 4 + 0 + 4 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213404011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7647938170 + ... + 7647938211.

It is an arithmetic number, because the mean of its divisors is an integer number (61183505528).

Almost surely, 2^321213404001 is an apocalyptic number.

It is an amenable number.

321213404001 is a deficient number, since it is larger than the sum of its proper divisors (168254640223).

321213404001 is a wasteful number, since it uses less digits than its factorization.

321213404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295876391.

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

Adding to 321213404001 its reverse (100404312123), we get a palindrome (421617716124).

The spelling of 321213404001 in words is "three hundred twenty-one billion, two hundred thirteen million, four hundred four thousand, one".