12440224144212 has 48 divisors (see below), whose sum is σ = 30734937495360. Its totient is φ = 3902781629952.

The previous prime is 12440224144079. The next prime is 12440224144223. The reversal of 12440224144212 is 21244142204421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34645614 + ... + 35002842.

It is an arithmetic number, because the mean of its divisors is an integer number (640311197820).

Almost surely, 2^{12440224144212} is an apocalyptic number.

12440224144212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12440224144212 is an abundant number, since it is smaller than the sum of its proper divisors (18294713351148).

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

12440224144212 is a wasteful number, since it uses less digits than its factorization.

12440224144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527960 (or 527958 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 12440224144212 its reverse (21244142204421), we get a palindrome (33684366348633).

The spelling of 12440224144212 in words is "twelve trillion, four hundred forty billion, two hundred twenty-four million, one hundred forty-four thousand, two hundred twelve".