1212222000223 has 8 divisors (see below), whose sum is σ = 1327596454800. Its totient is φ = 1100008489728.

The previous prime is 1212222000217. The next prime is 1212222000259. The reversal of 1212222000223 is 3220002222121.

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 1212222000223 - 2⁵ = 1212222000191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212222000223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212222007223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790235218 + ... + 790236751.

It is an arithmetic number, because the mean of its divisors is an integer number (165949556850).

Almost surely, 2^{1212222000223} is an apocalyptic number.

1212222000223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212222000223 is a deficient number, since it is larger than the sum of its proper divisors (115374454577).

1212222000223 is a wasteful number, since it uses less digits than its factorization.

1212222000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580472041.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1212222000223 its reverse (3220002222121), we get a palindrome (4432224222344).

The spelling of 1212222000223 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-three", and thus it is an aban number.