321213142010401 has 4 divisors (see below), whose sum is σ = 325083179866032. Its totient is φ = 317343104154772.

The previous prime is 321213142010399. The next prime is 321213142010429. The reversal of 321213142010401 is 104010241312123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321213142010401 - 2¹ = 321213142010399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213142110401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935018927691 + ... + 1935018927856.

It is an arithmetic number, because the mean of its divisors is an integer number (81270794966508).

Almost surely, 2^{321213142010401} is an apocalyptic number.

It is an amenable number.

321213142010401 is a deficient number, since it is larger than the sum of its proper divisors (3870037855631).

321213142010401 is an equidigital number, since it uses as much as digits as its factorization.

321213142010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870037855630.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 321213142010401 its reverse (104010241312123), we get a palindrome (425223383322524).

The spelling of 321213142010401 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-two million, ten thousand, four hundred one".