321234121400213 has 4 divisors (see below), whose sum is σ = 367124710171680. Its totient is φ = 275343532628748.

The previous prime is 321234121400207. The next prime is 321234121400237. The reversal of 321234121400213 is 312004121432123.

It is a happy number.

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 321234121400213 - 2⁶ = 321234121400149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321234121400713) 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, 22945294385723 + ... + 22945294385736.

It is an arithmetic number, because the mean of its divisors is an integer number (91781177542920).

Almost surely, 2^{321234121400213} is an apocalyptic number.

It is an amenable number.

321234121400213 is a deficient number, since it is larger than the sum of its proper divisors (45890588771467).

321234121400213 is an equidigital number, since it uses as much as digits as its factorization.

321234121400213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45890588771466.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321234121400213 its reverse (312004121432123), we get a palindrome (633238242832336).

The spelling of 321234121400213 in words is "three hundred twenty-one trillion, two hundred thirty-four billion, one hundred twenty-one million, four hundred thousand, two hundred thirteen".