1200032312113 has 2 divisors, whose sum is σ = 1200032312114. Its totient is φ = 1200032312112.

The previous prime is 1200032312111. The next prime is 1200032312117. The reversal of 1200032312113 is 3112132300021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703504917504 + 496527394609 = 838752^2 + 704647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200032312113 - 2¹ = 1200032312111 is a prime.

Together with 1200032312111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1200032312111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600016156056 + 600016156057.

It is an arithmetic number, because the mean of its divisors is an integer number (600016156057).

Almost surely, 2^{1200032312113} is an apocalyptic number.

It is an amenable number.

1200032312113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200032312113 is an equidigital number, since it uses as much as digits as its factorization.

1200032312113 is an evil number, because the sum of its binary digits is even.

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

Adding to 1200032312113 its reverse (3112132300021), we get a palindrome (4312164612134).

The spelling of 1200032312113 in words is "one trillion, two hundred billion, thirty-two million, three hundred twelve thousand, one hundred thirteen".