1200213120133 has 4 divisors (see below), whose sum is σ = 1208973799980. Its totient is φ = 1191452440288.

The previous prime is 1200213120121. The next prime is 1200213120167. The reversal of 1200213120133 is 3310213120021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 903910350564 + 296302769569 = 950742^2 + 544337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200213120133 - 2⁵ = 1200213120101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200213120133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200213120833) 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 3 ways as a sum of consecutive naturals, for example, 4380339718 + ... + 4380339991.

It is an arithmetic number, because the mean of its divisors is an integer number (302243449995).

Almost surely, 2^{1200213120133} is an apocalyptic number.

It is an amenable number.

1200213120133 is a deficient number, since it is larger than the sum of its proper divisors (8760679847).

1200213120133 is an equidigital number, since it uses as much as digits as its factorization.

1200213120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760679846.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1200213120133 its reverse (3310213120021), we get a palindrome (4510426240154).

The spelling of 1200213120133 in words is "one trillion, two hundred billion, two hundred thirteen million, one hundred twenty thousand, one hundred thirty-three".