1212110202223 has 2 divisors, whose sum is σ = 1212110202224. Its totient is φ = 1212110202222.

The previous prime is 1212110202221. The next prime is 1212110202239. The reversal of 1212110202223 is 3222020112121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3222020112121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212110202223 - 2¹ = 1212110202221 is a prime.

It is a super-2 number, since 2×1212110202223² (a number of 25 digits) contains 22 as substring.

Together with 1212110202221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1212110202223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212110202221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606055101111 + 606055101112.

It is an arithmetic number, because the mean of its divisors is an integer number (606055101112).

Almost surely, 2^{1212110202223} is an apocalyptic number.

1212110202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212110202223 is an equidigital number, since it uses as much as digits as its factorization.

1212110202223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1212110202223 its reverse (3222020112121), we get a palindrome (4434130314344).

The spelling of 1212110202223 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred two thousand, two hundred twenty-three".