321012304002240 has 112 divisors (see below), whose sum is σ = 1025105476519008. Its totient is φ = 85108464369664.

The previous prime is 321012304002233. The next prime is 321012304002283. The reversal of 321012304002240 is 42200403210123.

It is a happy number.

It is a super-2 number, since 2×321012304002240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 321012304002240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966272697 + ... + 966604856.

Almost surely, 2^{321012304002240} is an apocalyptic number.

321012304002240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321012304002240 is an abundant number, since it is smaller than the sum of its proper divisors (704093172516768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321012304002240 is a wasteful number, since it uses less digits than its factorization.

321012304002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932877746 (or 1932877736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 321012304002240 its reverse (42200403210123), we get a palindrome (363212707212363).

The spelling of 321012304002240 in words is "three hundred twenty-one trillion, twelve billion, three hundred four million, two thousand, two hundred forty".