1322122012320 has 96 divisors (see below), whose sum is σ = 4277243432448. Its totient is φ = 343037058048.

The previous prime is 1322122012279. The next prime is 1322122012399. The reversal of 1322122012320 is 232102212231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1322122012320² (a number of 25 digits) contains 22 as substring.

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, 37204144 + ... + 37239663.

It is an arithmetic number, because the mean of its divisors is an integer number (44554619088).

Almost surely, 2^{1322122012320} is an apocalyptic number.

1322122012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322122012320 is an abundant number, since it is smaller than the sum of its proper divisors (2955121420128).

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

1322122012320 is a wasteful number, since it uses less digits than its factorization.

1322122012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74443862 (or 74443854 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1322122012320 its reverse (232102212231), we get a palindrome (1554224224551).

The spelling of 1322122012320 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-two million, twelve thousand, three hundred twenty".