1213232203 has 2 divisors, whose sum is σ = 1213232204. Its totient is φ = 1213232202.

The previous prime is 1213232201. The next prime is 1213232249. The reversal of 1213232203 is 3022323121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213232203 - 2¹ = 1213232201 is a prime.

Together with 1213232201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1213232201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606616101 + 606616102.

It is an arithmetic number, because the mean of its divisors is an integer number (606616102).

Almost surely, 2^1213232203 is an apocalyptic number.

1213232203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213232203 is an equidigital number, since it uses as much as digits as its factorization.

1213232203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1213232203 is about 34831.4829285232. The cubic root of 1213232203 is about 1066.5502203720.

Adding to 1213232203 its reverse (3022323121), we get a palindrome (4235555324).

The spelling of 1213232203 in words is "one billion, two hundred thirteen million, two hundred thirty-two thousand, two hundred three".