1213132267 has 2 divisors, whose sum is σ = 1213132268. Its totient is φ = 1213132266.

The previous prime is 1213132259. The next prime is 1213132279. The reversal of 1213132267 is 7622313121.

It is a weak prime.

It is an emirp because it is prime and its reverse (7622313121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1213132267 - 2³ = 1213132259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213132237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606566133 + 606566134.

It is an arithmetic number, because the mean of its divisors is an integer number (606566134).

Almost surely, 2^1213132267 is an apocalyptic number.

1213132267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213132267 is an equidigital number, since it uses as much as digits as its factorization.

1213132267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 1213132267 is about 34830.0483347353. The cubic root of 1213132267 is about 1066.5209350493.

Adding to 1213132267 its reverse (7622313121), we get a palindrome (8835445388).

The spelling of 1213132267 in words is "one billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred sixty-seven".