321012030002223 has 32 divisors (see below), whose sum is σ = 514908416358400. Its totient is φ = 173780306624736.

The previous prime is 321012030002141. The next prime is 321012030002267. The reversal of 321012030002223 is 322200030210123.

It is a happy number.

It is not a de Polignac number, because 321012030002223 - 2⁹ = 321012030001711 is a prime.

It is a super-2 number, since 2×321012030002223² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321012030002223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012030502223) 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, 118860588 + ... + 121531326.

It is an arithmetic number, because the mean of its divisors is an integer number (16090888011200).

Almost surely, 2^{321012030002223} is an apocalyptic number.

321012030002223 is a deficient number, since it is larger than the sum of its proper divisors (193896386356177).

321012030002223 is a wasteful number, since it uses less digits than its factorization.

321012030002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972011.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 321012030002223 its reverse (322200030210123), we get a palindrome (643212060212346).

The spelling of 321012030002223 in words is "three hundred twenty-one trillion, twelve billion, thirty million, two thousand, two hundred twenty-three".