12025312022444 has 96 divisors (see below), whose sum is σ = 25484822200320. Its totient is φ = 4850002490112.

The previous prime is 12025312022411. The next prime is 12025312022459. The reversal of 12025312022444 is 44422021352021.

It is a self number, because there is not a number n which added to its sum of digits gives 12025312022444.

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, 331321562 + ... + 331357854.

It is an arithmetic number, because the mean of its divisors is an integer number (265466897920).

Almost surely, 2^{12025312022444} is an apocalyptic number.

12025312022444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12025312022444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12742411100160).

12025312022444 is an abundant number, since it is smaller than the sum of its proper divisors (13459510177876).

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

12025312022444 is a wasteful number, since it uses less digits than its factorization.

12025312022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40447 (or 40445 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 12025312022444 its reverse (44422021352021), we get a palindrome (56447333374465).

The spelling of 12025312022444 in words is "twelve trillion, twenty-five billion, three hundred twelve million, twenty-two thousand, four hundred forty-four".