1244111101012 has 18 divisors (see below), whose sum is σ = 2357553729678. Its totient is φ = 574205123232.

The previous prime is 1244111100971. The next prime is 1244111101021. The reversal of 1244111101012 is 2101011114421.

It can be written as a sum of positive squares in 3 ways, for example, as 18405263556 + 1225705837456 = 135666^2 + 1107116^2 .

It is a super-2 number, since 2×1244111101012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 920199843 + ... + 920201194.

Almost surely, 2^{1244111101012} is an apocalyptic number.

It is an amenable number.

1244111101012 is a deficient number, since it is larger than the sum of its proper divisors (1113442628666).

1244111101012 is a wasteful number, since it uses less digits than its factorization.

1244111101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840401067 (or 1840401052 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1244111101012 its reverse (2101011114421), we get a palindrome (3345122215433).

The spelling of 1244111101012 in words is "one trillion, two hundred forty-four billion, one hundred eleven million, one hundred one thousand, twelve".