1200044133321 has 8 divisors (see below), whose sum is σ = 1745518739424. Its totient is φ = 727299474720.

The previous prime is 1200044133319. The next prime is 1200044133329. The reversal of 1200044133321 is 1233314400021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200044133321 - 2¹ = 1200044133319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200044133291 and 1200044133300.

It is not an unprimeable number, because it can be changed into a prime (1200044133329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18182486836 + ... + 18182486901.

It is an arithmetic number, because the mean of its divisors is an integer number (218189842428).

Almost surely, 2^{1200044133321} is an apocalyptic number.

1200044133321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200044133321 is a deficient number, since it is larger than the sum of its proper divisors (545474606103).

1200044133321 is a wasteful number, since it uses less digits than its factorization.

1200044133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36364973751.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1200044133321 its reverse (1233314400021), we get a palindrome (2433358533342).

The spelling of 1200044133321 in words is "one trillion, two hundred billion, forty-four million, one hundred thirty-three thousand, three hundred twenty-one".