1212231332223 has 32 divisors (see below), whose sum is σ = 1845629144000. Its totient is φ = 785803586688.

The previous prime is 1212231332189. The next prime is 1212231332227. The reversal of 1212231332223 is 3222331322121.

1212231332223 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 313 + 322 + 23 = 666.

It is not a de Polignac number, because 1212231332223 - 2⁹ = 1212231331711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212231332227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1155765 + ... + 1939137.

It is an arithmetic number, because the mean of its divisors is an integer number (57675910750).

Almost surely, 2^{1212231332223} is an apocalyptic number.

1212231332223 is a deficient number, since it is larger than the sum of its proper divisors (633397811777).

1212231332223 is a wasteful number, since it uses less digits than its factorization.

1212231332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784968 (or 784962 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1212231332223 its reverse (3222331322121), we get a palindrome (4434562654344).

The spelling of 1212231332223 in words is "one trillion, two hundred twelve billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-three".