1200113220133 has 4 divisors (see below), whose sum is σ = 1200124616620. Its totient is φ = 1200101823648.

The previous prime is 1200113220079. The next prime is 1200113220197. The reversal of 1200113220133 is 3310223110021.

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 584426612484 + 615686607649 = 764478^2 + 784657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200113220133 is a prime.

It is a super-2 number, since 2×1200113220133² (a number of 25 digits) contains 22 as substring.

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 1200113220133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113220233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5538798 + ... + 5751391.

It is an arithmetic number, because the mean of its divisors is an integer number (300031154155).

Almost surely, 2^{1200113220133} is an apocalyptic number.

It is an amenable number.

1200113220133 is a deficient number, since it is larger than the sum of its proper divisors (11396487).

1200113220133 is a wasteful number, since it uses less digits than its factorization.

1200113220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396486.

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

Adding to 1200113220133 its reverse (3310223110021), we get a palindrome (4510336330154).

The spelling of 1200113220133 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred twenty thousand, one hundred thirty-three".