1045369221200 has 30 divisors (see below), whose sum is σ = 2511499554894. Its totient is φ = 418147688320.

The previous prime is 1045369221199. The next prime is 1045369221217. The reversal of 1045369221200 is 21229635401.

It can be written as a sum of positive squares in 3 ways, for example, as 1105961536 + 1044263259664 = 33256^2 + 1021892^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 1306711127 + ... + 1306711926.

Almost surely, 2^{1045369221200} is an apocalyptic number.

1045369221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045369221200 is an abundant number, since it is smaller than the sum of its proper divisors (1466130333694).

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

1045369221200 is a wasteful number, since it uses less digits than its factorization.

1045369221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613423071 (or 2613423060 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1045369221200 in words is "one trillion, forty-five billion, three hundred sixty-nine million, two hundred twenty-one thousand, two hundred".