1224441312012 has 36 divisors (see below), whose sum is σ = 3132406095000. Its totient is φ = 403229668032.

The previous prime is 1224441311981. The next prime is 1224441312013. The reversal of 1224441312012 is 2102131444221.

1224441312012 is a `hidden beast` number, since 1 + 2 + 2 + 44 + 413 + 1 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1224441312013) 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 11 ways as a sum of consecutive naturals, for example, 204890137 + ... + 204896112.

Almost surely, 2^{1224441312012} is an apocalyptic number.

1224441312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224441312012 is an abundant number, since it is smaller than the sum of its proper divisors (1907964782988).

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

1224441312012 is a wasteful number, since it uses less digits than its factorization.

1224441312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409786342 (or 409786337 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1224441312012 its reverse (2102131444221), we get a palindrome (3326572756233).

The spelling of 1224441312012 in words is "one trillion, two hundred twenty-four billion, four hundred forty-one million, three hundred twelve thousand, twelve".