321203403032412 has 24 divisors (see below), whose sum is σ = 793561348668816. Its totient is φ = 100769695068928.

The previous prime is 321203403032387. The next prime is 321203403032423. The reversal of 321203403032412 is 214230304302123.

It is a happy number.

It is a super-2 number, since 2×321203403032412² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321203403032412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787263242523 + ... + 787263242930.

It is an arithmetic number, because the mean of its divisors is an integer number (33065056194534).

Almost surely, 2^{321203403032412} is an apocalyptic number.

It is an amenable number.

321203403032412 is an abundant number, since it is smaller than the sum of its proper divisors (472357945636404).

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

321203403032412 is a wasteful number, since it uses less digits than its factorization.

321203403032412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574526485477 (or 1574526485475 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 321203403032412 its reverse (214230304302123), we get a palindrome (535433707334535).

The spelling of 321203403032412 in words is "three hundred twenty-one trillion, two hundred three billion, four hundred three million, thirty-two thousand, four hundred twelve".