1250213213 has 2 divisors, whose sum is σ = 1250213214. Its totient is φ = 1250213212.

The previous prime is 1250213203. The next prime is 1250213221. The reversal of 1250213213 is 3123120521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196952409 + 53260804 = 34597^2 + 7298^2 .

It is an emirp because it is prime and its reverse (3123120521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250213213 - 2¹⁶ = 1250147677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250213203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625106606 + 625106607.

It is an arithmetic number, because the mean of its divisors is an integer number (625106607).

Almost surely, 2^1250213213 is an apocalyptic number.

It is an amenable number.

1250213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250213213 is an equidigital number, since it uses as much as digits as its factorization.

1250213213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1250213213 is about 35358.3542179214. The cubic root of 1250213213 is about 1077.2785886651.

Adding to 1250213213 its reverse (3123120521), we get a palindrome (4373333734).

The spelling of 1250213213 in words is "one billion, two hundred fifty million, two hundred thirteen thousand, two hundred thirteen".