44221243212 has 18 divisors (see below), whose sum is σ = 111781475988. Its totient is φ = 14740414392.

The previous prime is 44221243201. The next prime is 44221243243. The reversal of 44221243212 is 21234212244.

It is a happy number.

44221243212 is a `hidden beast` number, since 4 + 4 + 2 + 212 + 432 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 614183898 + ... + 614183969.

Almost surely, 2^44221243212 is an apocalyptic number.

It is an amenable number.

44221243212 is an abundant number, since it is smaller than the sum of its proper divisors (67560232776).

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

44221243212 is a wasteful number, since it uses less digits than its factorization.

44221243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228367877 (or 1228367872 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 44221243212 its reverse (21234212244), we get a palindrome (65455455456).

The spelling of 44221243212 in words is "forty-four billion, two hundred twenty-one million, two hundred forty-three thousand, two hundred twelve".