1234500213 has 4 divisors (see below), whose sum is σ = 1646000288. Its totient is φ = 823000140.

The previous prime is 1234500199. The next prime is 1234500257. The reversal of 1234500213 is 3120054321.

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 a de Polignac number, because none of the positive numbers 2^k-1234500213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234500213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234500613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205750033 + ... + 205750038.

It is an arithmetic number, because the mean of its divisors is an integer number (411500072).

Almost surely, 2^1234500213 is an apocalyptic number.

It is an amenable number.

1234500213 is a deficient number, since it is larger than the sum of its proper divisors (411500075).

1234500213 is an equidigital number, since it uses as much as digits as its factorization.

1234500213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411500074.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1234500213 is about 35135.4552126481. The cubic root of 1234500213 is about 1072.7463768552.

Adding to 1234500213 its reverse (3120054321), we get a palindrome (4354554534).

The spelling of 1234500213 in words is "one billion, two hundred thirty-four million, five hundred thousand, two hundred thirteen".