4424240221012 has 6 divisors (see below), whose sum is σ = 7742420386778. Its totient is φ = 2212120110504.

The previous prime is 4424240221003. The next prime is 4424240221013. The reversal of 4424240221012 is 2101220424244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4409269230276 + 14970990736 = 2099826^2 + 122356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424240221013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553030027623 + ... + 553030027630.

Almost surely, 2^{4424240221012} is an apocalyptic number.

It is an amenable number.

4424240221012 is a deficient number, since it is larger than the sum of its proper divisors (3318180165766).

4424240221012 is a wasteful number, since it uses less digits than its factorization.

4424240221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106060055257 (or 1106060055255 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4424240221012 its reverse (2101220424244), we get a palindrome (6525460645256).

The spelling of 4424240221012 in words is "four trillion, four hundred twenty-four billion, two hundred forty million, two hundred twenty-one thousand, twelve".