1233223212 has 24 divisors (see below), whose sum is σ = 3098868976. Its totient is φ = 379453248.

The previous prime is 1233223207. The next prime is 1233223241. The reversal of 1233223212 is 2123223321.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952483 + ... + 3952794.

Almost surely, 2^1233223212 is an apocalyptic number.

1233223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233223212 is an abundant number, since it is smaller than the sum of its proper divisors (1865645764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233223212 is a wasteful number, since it uses less digits than its factorization.

1233223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905297 (or 7905295 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 1233223212 is about 35117.2779696832. The cubic root of 1233223212 is about 1072.3763564463.

Adding to 1233223212 its reverse (2123223321), we get a palindrome (3356446533).

The spelling of 1233223212 in words is "one billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred twelve".