1213233227 has 2 divisors, whose sum is σ = 1213233228. Its totient is φ = 1213233226.

The previous prime is 1213233211. The next prime is 1213233247. The reversal of 1213233227 is 7223323121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213233227 - 2⁴ = 1213233211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213233196 and 1213233205.

It is not a weakly prime, because it can be changed into another prime (1213233247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606616613 + 606616614.

It is an arithmetic number, because the mean of its divisors is an integer number (606616614).

Almost surely, 2^1213233227 is an apocalyptic number.

1213233227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213233227 is an equidigital number, since it uses as much as digits as its factorization.

1213233227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 1213233227 is about 34831.4976278655. The cubic root of 1213233227 is about 1066.5505204374.

Adding to 1213233227 its reverse (7223323121), we get a palindrome (8436556348).

The spelling of 1213233227 in words is "one billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-seven".