1212006824 has 16 divisors (see below), whose sum is σ = 2597157600. Its totient is φ = 519431472.

The previous prime is 1212006797. The next prime is 1212006839. The reversal of 1212006824 is 4286002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212006793 and 1212006802.

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, 10821434 + ... + 10821545.

It is an arithmetic number, because the mean of its divisors is an integer number (162322350).

Almost surely, 2^1212006824 is an apocalyptic number.

1212006824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1212006824 is an abundant number, since it is smaller than the sum of its proper divisors (1385150776).

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

1212006824 is a wasteful number, since it uses less digits than its factorization.

1212006824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21642992 (or 21642988 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1212006824 is about 34813.8883780597. Note that the first 3 decimals coincide. The cubic root of 1212006824 is about 1066.1910232645.

Adding to 1212006824 its reverse (4286002121), we get a palindrome (5498008945).

The spelling of 1212006824 in words is "one billion, two hundred twelve million, six thousand, eight hundred twenty-four".