12131214444444 has 12 divisors (see below), whose sum is σ = 28306167037064. Its totient is φ = 4043738148144.

The previous prime is 12131214444439. The next prime is 12131214444467. The reversal of 12131214444444 is 44444441213121.

It is a happy number.

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

It is a super-3 number, since 3×12131214444444³ (a number of 40 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 505467268507 + ... + 505467268530.

Almost surely, 2^{12131214444444} is an apocalyptic number.

It is an amenable number.

12131214444444 is an abundant number, since it is smaller than the sum of its proper divisors (16174952592620).

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

12131214444444 is a wasteful number, since it uses less digits than its factorization.

12131214444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010934537044 (or 1010934537042 counting only the distinct ones).

The product of its digits is 196608, while the sum is 39.

Adding to 12131214444444 its reverse (44444441213121), we get a palindrome (56575655657565).

It can be divided in two parts, 1213121 and 4444444, that added together give a palindrome (5657565).

The spelling of 12131214444444 in words is "twelve trillion, one hundred thirty-one billion, two hundred fourteen million, four hundred forty-four thousand, four hundred forty-four".