1212253223 has 2 divisors, whose sum is σ = 1212253224. Its totient is φ = 1212253222.

The previous prime is 1212253169. The next prime is 1212253261. The reversal of 1212253223 is 3223522121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212253223 - 2²⁶ = 1145144359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212255223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606126611 + 606126612.

It is an arithmetic number, because the mean of its divisors is an integer number (606126612).

Almost surely, 2^1212253223 is an apocalyptic number.

1212253223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212253223 is an equidigital number, since it uses as much as digits as its factorization.

1212253223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 1212253223 is about 34817.4270014313. The cubic root of 1212253223 is about 1066.2632699978.

Adding to 1212253223 its reverse (3223522121), we get a palindrome (4435775344).

The spelling of 1212253223 in words is "one billion, two hundred twelve million, two hundred fifty-three thousand, two hundred twenty-three".