1203200013 has 4 divisors (see below), whose sum is σ = 1604266688. Its totient is φ = 802133340.

The previous prime is 1203199999. The next prime is 1203200017. The reversal of 1203200013 is 3100023021.

It is a happy number.

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.

It is not a de Polignac number, because 1203200013 - 2¹⁴ = 1203183629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203200017) 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, 200533333 + ... + 200533338.

It is an arithmetic number, because the mean of its divisors is an integer number (401066672).

Almost surely, 2^1203200013 is an apocalyptic number.

It is an amenable number.

1203200013 is a deficient number, since it is larger than the sum of its proper divisors (401066675).

1203200013 is an equidigital number, since it uses as much as digits as its factorization.

1203200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401066674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1203200013 is about 34687.1736092752. The cubic root of 1203200013 is about 1063.6023200182.

Adding to 1203200013 its reverse (3100023021), we get a palindrome (4303223034).

The spelling of 1203200013 in words is "one billion, two hundred three million, two hundred thousand, thirteen".