1200113231132 has 24 divisors (see below), whose sum is σ = 2103118416000. Its totient is φ = 599222828016.

The previous prime is 1200113231131. The next prime is 1200113231171. The reversal of 1200113231132 is 2311323110021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113231131) 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, 8486033 + ... + 8626295.

It is an arithmetic number, because the mean of its divisors is an integer number (87629934000).

Almost surely, 2^{1200113231132} is an apocalyptic number.

It is an amenable number.

1200113231132 is a deficient number, since it is larger than the sum of its proper divisors (903005184868).

1200113231132 is a wasteful number, since it uses less digits than its factorization.

1200113231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143225 (or 143223 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1200113231132 its reverse (2311323110021), we get a palindrome (3511436341153).

The spelling of 1200113231132 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-two".