1212424066 has 16 divisors (see below), whose sum is σ = 2134616256. Its totient is φ = 505566576.

The previous prime is 1212424061. The next prime is 1212424091. The reversal of 1212424066 is 6604242121.

It is not an unprimeable number, because it can be changed into a prime (1212424061) by changing a digit.

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, 1169776 + ... + 1170811.

It is an arithmetic number, because the mean of its divisors is an integer number (133413516).

Almost surely, 2^1212424066 is an apocalyptic number.

1212424066 is a deficient number, since it is larger than the sum of its proper divisors (922192190).

1212424066 is a wasteful number, since it uses less digits than its factorization.

1212424066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340633.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1212424066 is about 34819.8803271924. The cubic root of 1212424066 is about 1066.3133571841.

Adding to 1212424066 its reverse (6604242121), we get a palindrome (7816666187).

The spelling of 1212424066 in words is "one billion, two hundred twelve million, four hundred twenty-four thousand, sixty-six".