1000012243044 has 12 divisors (see below), whose sum is σ = 2333361900464. Its totient is φ = 333337414344.

The previous prime is 1000012243039. The next prime is 1000012243057. The reversal of 1000012243044 is 4403422100001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1000012243044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41667176782 + ... + 41667176805.

Almost surely, 2^{1000012243044} is an apocalyptic number.

It is an amenable number.

1000012243044 is an abundant number, since it is smaller than the sum of its proper divisors (1333349657420).

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

1000012243044 is a wasteful number, since it uses less digits than its factorization.

1000012243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83334353594 (or 83334353592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1000012243044 its reverse (4403422100001), we get a palindrome (5403434343045).

The spelling of 1000012243044 in words is "one trillion, twelve million, two hundred forty-three thousand, forty-four".