1200130013 has 4 divisors (see below), whose sum is σ = 1200210528. Its totient is φ = 1200049500.

The previous prime is 1200129989. The next prime is 1200130021. The reversal of 1200130013 is 3100310021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1200130013 - 2¹⁰ = 1200128989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200129976 and 1200130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200130313) 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, 10631 + ... + 50132.

It is an arithmetic number, because the mean of its divisors is an integer number (300052632).

Almost surely, 2^1200130013 is an apocalyptic number.

It is an amenable number.

1200130013 is a deficient number, since it is larger than the sum of its proper divisors (80515).

1200130013 is an equidigital number, since it uses as much as digits as its factorization.

1200130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80514.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1200130013 is about 34642.8926765650. The cubic root of 1200130013 is about 1062.6969454157.

Adding to 1200130013 its reverse (3100310021), we get a palindrome (4300440034).

The spelling of 1200130013 in words is "one billion, two hundred million, one hundred thirty thousand, thirteen".