1231334212 has 12 divisors (see below), whose sum is σ = 2169297900. Its totient is φ = 611534816.

The previous prime is 1231334179. The next prime is 1231334231. The reversal of 1231334212 is 2124331321.

It can be written as a sum of positive squares in 2 ways, for example, as 594579456 + 636754756 = 24384^2 + 25234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032403 + ... + 1033594.

It is an arithmetic number, because the mean of its divisors is an integer number (180774825).

Almost surely, 2^1231334212 is an apocalyptic number.

It is an amenable number.

1231334212 is a deficient number, since it is larger than the sum of its proper divisors (937963688).

1231334212 is a wasteful number, since it uses less digits than its factorization.

1231334212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066150 (or 2066148 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1231334212 is about 35090.3720698427. The cubic root of 1231334212 is about 1071.8285361483.

Adding to 1231334212 its reverse (2124331321), we get a palindrome (3355665533).

The spelling of 1231334212 in words is "one billion, two hundred thirty-one million, three hundred thirty-four thousand, two hundred twelve".