1224210012 has 24 divisors (see below), whose sum is σ = 2874688656. Its totient is φ = 405470208.

The previous prime is 1224210011. The next prime is 1224210017. The reversal of 1224210012 is 2100124221.

It is a junction number, because it is equal to n+sod(n) for n = 1224209973 and 1224210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323013 + ... + 326780.

It is an arithmetic number, because the mean of its divisors is an integer number (119778694).

Almost surely, 2^1224210012 is an apocalyptic number.

1224210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224210012 is an abundant number, since it is smaller than the sum of its proper divisors (1650478644).

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

1224210012 is a wasteful number, since it uses less digits than its factorization.

1224210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649957 (or 649955 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1224210012 is about 34988.7126370777. The cubic root of 1224210012 is about 1069.7574236840.

Adding to 1224210012 its reverse (2100124221), we get a palindrome (3324334233).

The spelling of 1224210012 in words is "one billion, two hundred twenty-four million, two hundred ten thousand, twelve".