1200112513 has 2 divisors, whose sum is σ = 1200112514. Its totient is φ = 1200112512.

The previous prime is 1200112489. The next prime is 1200112519. The reversal of 1200112513 is 3152110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884943504 + 315169009 = 29748^2 + 17753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200112513 - 2¹⁷ = 1199981441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200112519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600056256 + 600056257.

It is an arithmetic number, because the mean of its divisors is an integer number (600056257).

Almost surely, 2^1200112513 is an apocalyptic number.

It is an amenable number.

1200112513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200112513 is an equidigital number, since it uses as much as digits as its factorization.

1200112513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1200112513 is about 34642.6400985837. The cubic root of 1200112513 is about 1062.6917800623.

Adding to 1200112513 its reverse (3152110021), we get a palindrome (4352222534).

The spelling of 1200112513 in words is "one billion, two hundred million, one hundred twelve thousand, five hundred thirteen".