1212200200223 has 4 divisors (see below), whose sum is σ = 1235071902168. Its totient is φ = 1189328498280.

The previous prime is 1212200200217. The next prime is 1212200200231. The reversal of 1212200200223 is 3220020022121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212200200223 - 2⁴ = 1212200200207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212200200283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11435850893 + ... + 11435850998.

It is an arithmetic number, because the mean of its divisors is an integer number (308767975542).

Almost surely, 2^{1212200200223} is an apocalyptic number.

1212200200223 is a deficient number, since it is larger than the sum of its proper divisors (22871701945).

1212200200223 is an equidigital number, since it uses as much as digits as its factorization.

1212200200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22871701944.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1212200200223 its reverse (3220020022121), we get a palindrome (4432220222344).

The spelling of 1212200200223 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred thousand, two hundred twenty-three".