1234312212 has 24 divisors (see below), whose sum is σ = 3291499456. Its totient is φ = 352660608.

The previous prime is 1234312187. The next prime is 1234312223. The reversal of 1234312212 is 2122134321.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7347013 + ... + 7347180.

Almost surely, 2^1234312212 is an apocalyptic number.

1234312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1234312212 is an abundant number, since it is smaller than the sum of its proper divisors (2057187244).

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

1234312212 is a wasteful number, since it uses less digits than its factorization.

1234312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694207 (or 14694205 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1234312212 is about 35132.7797363089. The cubic root of 1234312212 is about 1072.6919182093.

Adding to 1234312212 its reverse (2122134321), we get a palindrome (3356446533).

The spelling of 1234312212 in words is "one billion, two hundred thirty-four million, three hundred twelve thousand, two hundred twelve".