321102315412 has 6 divisors (see below), whose sum is σ = 561929051978. Its totient is φ = 160551157704.

The previous prime is 321102315383. The next prime is 321102315463. The reversal of 321102315412 is 214513201123.

It can be written as a sum of positive squares in only one way, i.e., 225469226896 + 95633088516 = 474836^2 + 309246^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40137789423 + ... + 40137789430.

Almost surely, 2^321102315412 is an apocalyptic number.

It is an amenable number.

321102315412 is a deficient number, since it is larger than the sum of its proper divisors (240826736566).

321102315412 is a wasteful number, since it uses less digits than its factorization.

321102315412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80275578857 (or 80275578855 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 321102315412 its reverse (214513201123), we get a palindrome (535615516535).

The spelling of 321102315412 in words is "three hundred twenty-one billion, one hundred two million, three hundred fifteen thousand, four hundred twelve".