1212502223 has 2 divisors, whose sum is σ = 1212502224. Its totient is φ = 1212502222.

The previous prime is 1212502219. The next prime is 1212502243. The reversal of 1212502223 is 3222052121.

It is an a-pointer prime, because the next prime (1212502243) can be obtained adding 1212502223 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (3222052121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212502223 - 2² = 1212502219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212502195 and 1212502204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212502243) 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 as a sum of consecutive naturals, namely, 606251111 + 606251112.

It is an arithmetic number, because the mean of its divisors is an integer number (606251112).

Almost surely, 2^1212502223 is an apocalyptic number.

1212502223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212502223 is an equidigital number, since it uses as much as digits as its factorization.

1212502223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1212502223 is about 34821.0026133654. The cubic root of 1212502223 is about 1066.3362694265.

Adding to 1212502223 its reverse (3222052121), we get a palindrome (4434554344).

The spelling of 1212502223 in words is "one billion, two hundred twelve million, five hundred two thousand, two hundred twenty-three".