321214212032444 has 24 divisors (see below), whose sum is σ = 571821091455600. Its totient is φ = 157838363809280.

The previous prime is 321214212032443. The next prime is 321214212032543. The reversal of 321214212032444 is 444230212412123.

It is a super-2 number, since 2×321214212032444² (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 (321214212032443) 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, 200008277 + ... + 201607884.

It is an arithmetic number, because the mean of its divisors is an integer number (23825878810650).

Almost surely, 2^{321214212032444} is an apocalyptic number.

It is an amenable number.

321214212032444 is a deficient number, since it is larger than the sum of its proper divisors (250606879423156).

321214212032444 is a wasteful number, since it uses less digits than its factorization.

321214212032444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401619613 (or 401619611 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 321214212032444 its reverse (444230212412123), we get a palindrome (765444424444567).

The spelling of 321214212032444 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred twelve million, thirty-two thousand, four hundred forty-four".