321002012402340 has 48 divisors (see below), whose sum is σ = 898854976626432. Its totient is φ = 85595837412096.

The previous prime is 321002012402329. The next prime is 321002012402503. The reversal of 321002012402340 is 43204210200123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 321002012402340.

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, 145748764 + ... + 147934803.

It is an arithmetic number, because the mean of its divisors is an integer number (18726145346384).

Almost surely, 2^{321002012402340} is an apocalyptic number.

321002012402340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321002012402340 is an abundant number, since it is smaller than the sum of its proper divisors (577852964224092).

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

321002012402340 is a wasteful number, since it uses less digits than its factorization.

321002012402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293701796 (or 293701794 counting only the distinct ones).

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

Adding to 321002012402340 its reverse (43204210200123), we get a palindrome (364206222602463).

The spelling of 321002012402340 in words is "three hundred twenty-one trillion, two billion, twelve million, four hundred two thousand, three hundred forty".