1213210413 has 8 divisors (see below), whose sum is σ = 1797348800. Its totient is φ = 808806924.

The previous prime is 1213210393. The next prime is 1213210429. The reversal of 1213210413 is 3140123121.

It is not a de Polignac number, because 1213210413 - 2²⁰ = 1212161837 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 (1213214413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22466833 + ... + 22466886.

It is an arithmetic number, because the mean of its divisors is an integer number (224668600).

Almost surely, 2^1213210413 is an apocalyptic number.

It is an amenable number.

1213210413 is a deficient number, since it is larger than the sum of its proper divisors (584138387).

1213210413 is an equidigital number, since it uses as much as digits as its factorization.

1213210413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44933728 (or 44933722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1213210413 is about 34831.1701353830. The cubic root of 1213210413 is about 1066.5438351506.

Adding to 1213210413 its reverse (3140123121), we get a palindrome (4353333534).

The spelling of 1213210413 in words is "one billion, two hundred thirteen million, two hundred ten thousand, four hundred thirteen".