1321413251322 has 16 divisors (see below), whose sum is σ = 2644751374560. Its totient is φ = 440150271792.

The previous prime is 1321413251287. The next prime is 1321413251329. The reversal of 1321413251322 is 2231523141231.

It is a super-2 number, since 2×1321413251322² (a number of 25 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 1321413251322.

It is not an unprimeable number, because it can be changed into a prime (1321413251329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80194072 + ... + 80210547.

It is an arithmetic number, because the mean of its divisors is an integer number (165296960910).

Almost surely, 2^{1321413251322} is an apocalyptic number.

1321413251322 is an abundant number, since it is smaller than the sum of its proper divisors (1323338123238).

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

1321413251322 is a wasteful number, since it uses less digits than its factorization.

1321413251322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160405997.

The product of its digits is 8640, while the sum is 30.

Adding to 1321413251322 its reverse (2231523141231), we get a palindrome (3552936392553).

The spelling of 1321413251322 in words is "one trillion, three hundred twenty-one billion, four hundred thirteen million, two hundred fifty-one thousand, three hundred twenty-two".