321124221130213 has 32 divisors (see below), whose sum is σ = 344695089920000. Its totient is φ = 298266586447104.

The previous prime is 321124221130171. The next prime is 321124221130217. The reversal of 321124221130213 is 312031122421123.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321124221130213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321124221130217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232439581 + ... + 233817037.

It is an arithmetic number, because the mean of its divisors is an integer number (10771721560000).

Almost surely, 2^{321124221130213} is an apocalyptic number.

It is an amenable number.

321124221130213 is a deficient number, since it is larger than the sum of its proper divisors (23570868789787).

321124221130213 is a wasteful number, since it uses less digits than its factorization.

321124221130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378409.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 321124221130213 its reverse (312031122421123), we get a palindrome (633155343551336).

The spelling of 321124221130213 in words is "three hundred twenty-one trillion, one hundred twenty-four billion, two hundred twenty-one million, one hundred thirty thousand, two hundred thirteen".