321012412041340 has 12 divisors (see below), whose sum is σ = 674126065286856. Its totient is φ = 128404964816528.

The previous prime is 321012412041319. The next prime is 321012412041389. The reversal of 321012412041340 is 43140214210123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321012412041299 and 321012412041308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8025310301014 + ... + 8025310301053.

It is an arithmetic number, because the mean of its divisors is an integer number (56177172107238).

Almost surely, 2^{321012412041340} is an apocalyptic number.

It is an amenable number.

321012412041340 is an abundant number, since it is smaller than the sum of its proper divisors (353113653245516).

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

321012412041340 is a wasteful number, since it uses less digits than its factorization.

321012412041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050620602076 (or 16050620602074 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 321012412041340 its reverse (43140214210123), we get a palindrome (364152626251463).

The spelling of 321012412041340 in words is "three hundred twenty-one trillion, twelve billion, four hundred twelve million, forty-one thousand, three hundred forty".