1212134668 has 12 divisors (see below), whose sum is σ = 2135473200. Its totient is φ = 601999472.

The previous prime is 1212134617. The next prime is 1212134669. The reversal of 1212134668 is 8664312121.

It is not an unprimeable number, because it can be changed into a prime (1212134669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016296 + ... + 1017487.

It is an arithmetic number, because the mean of its divisors is an integer number (177956100).

Almost surely, 2^1212134668 is an apocalyptic number.

It is an amenable number.

1212134668 is a deficient number, since it is larger than the sum of its proper divisors (923338532).

1212134668 is a wasteful number, since it uses less digits than its factorization.

1212134668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033936 (or 2033934 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1212134668 is about 34815.7244359499. The cubic root of 1212134668 is about 1066.2285096687.

Adding to 1212134668 its reverse (8664312121), we get a palindrome (9876446789).

The spelling of 1212134668 in words is "one billion, two hundred twelve million, one hundred thirty-four thousand, six hundred sixty-eight".