12312042021444 has 24 divisors (see below), whose sum is σ = 31339743327648. Its totient is φ = 3730921824640.

The previous prime is 12312042021431. The next prime is 12312042021451. The reversal of 12312042021444 is 44412024021321.

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 7 ways as a sum of consecutive naturals, for example, 46636522677 + ... + 46636522940.

It is an arithmetic number, because the mean of its divisors is an integer number (1305822638652).

Almost surely, 2^{12312042021444} is an apocalyptic number.

It is an amenable number.

12312042021444 is an abundant number, since it is smaller than the sum of its proper divisors (19027701306204).

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

12312042021444 is a wasteful number, since it uses less digits than its factorization.

12312042021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93273045635 (or 93273045633 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12312042021444 its reverse (44412024021321), we get a palindrome (56724066042765).

The spelling of 12312042021444 in words is "twelve trillion, three hundred twelve billion, forty-two million, twenty-one thousand, four hundred forty-four".