1322100404000 has 96 divisors (see below), whose sum is σ = 3439483263216. Its totient is φ = 497731891200.

The previous prime is 1322100403993. The next prime is 1322100404041. The reversal of 1322100404000 is 4040012231.

It can be written as a sum of positive squares in 8 ways, for example, as 363893776 + 1321736510224 = 19076^2 + 1149668^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1322100404000.

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, 9653327 + ... + 9789326.

Almost surely, 2^{1322100404000} is an apocalyptic number.

1322100404000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322100404000 is an abundant number, since it is smaller than the sum of its proper divisors (2117382859216).

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

1322100404000 is a wasteful number, since it uses less digits than its factorization.

1322100404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442695 (or 19442677 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1322100404000 its reverse (4040012231), we get a palindrome (1326140416231).

The spelling of 1322100404000 in words is "one trillion, three hundred twenty-two billion, one hundred million, four hundred four thousand".