12012214004240 has 20 divisors (see below), whose sum is σ = 27928397560044. Its totient is φ = 4804885601664.

The previous prime is 12012214004221. The next prime is 12012214004257. The reversal of 12012214004240 is 4240041221021.

It can be written as a sum of positive squares in 2 ways, for example, as 8940004320256 + 3072209683984 = 2989984^2 + 1752772^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 75076337447 + ... + 75076337606.

Almost surely, 2^{12012214004240} is an apocalyptic number.

12012214004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012214004240 is an abundant number, since it is smaller than the sum of its proper divisors (15916183555804).

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

12012214004240 is a wasteful number, since it uses less digits than its factorization.

12012214004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150152675066 (or 150152675060 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12012214004240 its reverse (4240041221021), we get a palindrome (16252255225261).

The spelling of 12012214004240 in words is "twelve trillion, twelve billion, two hundred fourteen million, four thousand, two hundred forty".