1244000044012 has 24 divisors (see below), whose sum is σ = 2410355586240. Its totient is φ = 557014943760.

The previous prime is 1244000043997. The next prime is 1244000044037. The reversal of 1244000044012 is 2104400004421.

It is a super-2 number, since 2×1244000044012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210987562 + ... + 210993457.

It is an arithmetic number, because the mean of its divisors is an integer number (100431482760).

Almost surely, 2^{1244000044012} is an apocalyptic number.

It is an amenable number.

1244000044012 is a deficient number, since it is larger than the sum of its proper divisors (1166355542228).

1244000044012 is a wasteful number, since it uses less digits than its factorization.

1244000044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421981101 (or 421981099 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1244000044012 its reverse (2104400004421), we get a palindrome (3348400048433).

The spelling of 1244000044012 in words is "one trillion, two hundred forty-four billion, forty-four thousand, twelve".