20042444012312 has 32 divisors (see below), whose sum is σ = 38033002813680. Its totient is φ = 9900314083200.

The previous prime is 20042444012303. The next prime is 20042444012317. The reversal of 20042444012312 is 21321044424002.

It is a happy number.

It is a super-2 number, since 2×20042444012312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042444012317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44063198 + ... + 44515730.

Almost surely, 2^{20042444012312} is an apocalyptic number.

It is an amenable number.

20042444012312 is a deficient number, since it is larger than the sum of its proper divisors (17990558801368).

20042444012312 is a wasteful number, since it uses less digits than its factorization.

20042444012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519323 (or 519319 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20042444012312 its reverse (21321044424002), we get a palindrome (41363488436314).

The spelling of 20042444012312 in words is "twenty trillion, forty-two billion, four hundred forty-four million, twelve thousand, three hundred twelve".