1212031223 has 8 divisors (see below), whose sum is σ = 1373962800. Its totient is φ = 1059913728.

The previous prime is 1212031187. The next prime is 1212031241. The reversal of 1212031223 is 3221302121.

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 1212031223 - 2¹² = 1212027127 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 (1212031243) 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, 2453258 + ... + 2453751.

It is an arithmetic number, because the mean of its divisors is an integer number (171745350).

Almost surely, 2^1212031223 is an apocalyptic number.

1212031223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212031223 is a deficient number, since it is larger than the sum of its proper divisors (161931577).

1212031223 is a wasteful number, since it uses less digits than its factorization.

1212031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907041.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1212031223 is about 34814.2387967912. The cubic root of 1212031223 is about 1066.1981777403.

Adding to 1212031223 its reverse (3221302121), we get a palindrome (4433333344).

The spelling of 1212031223 in words is "one billion, two hundred twelve million, thirty-one thousand, two hundred twenty-three".