444012131220 has 96 divisors (see below), whose sum is σ = 1504417598208. Its totient is φ = 95518574592.

The previous prime is 444012131201. The next prime is 444012131249. The reversal of 444012131220 is 22131210444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31086147 + ... + 31100426.

It is an arithmetic number, because the mean of its divisors is an integer number (15671016648).

Almost surely, 2^444012131220 is an apocalyptic number.

It is an amenable number.

444012131220 is an abundant number, since it is smaller than the sum of its proper divisors (1060405466988).

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

444012131220 is a wasteful number, since it uses less digits than its factorization.

444012131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62186609 (or 62186607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 444012131220 its reverse (22131210444), we get a palindrome (466143341664).

The spelling of 444012131220 in words is "four hundred forty-four billion, twelve million, one hundred thirty-one thousand, two hundred twenty".