1212210122223 has 8 divisors (see below), whose sum is σ = 1620137635200. Its totient is φ = 806211345368.

The previous prime is 1212210122161. The next prime is 1212210122251. The reversal of 1212210122223 is 3222210122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212210122223 - 2⁹ = 1212210121711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212210122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210122423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482182563 + ... + 482185076.

It is an arithmetic number, because the mean of its divisors is an integer number (202517204400).

Almost surely, 2^{1212210122223} is an apocalyptic number.

1212210122223 is a deficient number, since it is larger than the sum of its proper divisors (407927512977).

1212210122223 is an equidigital number, since it uses as much as digits as its factorization.

1212210122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964368061.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1212210122223 its reverse (3222210122121), we get a palindrome (4434420244344).

The spelling of 1212210122223 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-three".