12212344344040 has 64 divisors (see below), whose sum is σ = 27536745600000. Its totient is φ = 4874456828160.

The previous prime is 12212344344007. The next prime is 12212344344191. The reversal of 12212344344040 is 4044344321221.

12212344344040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12212344343987 and 12212344344005.

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, 154470841 + ... + 154549879.

It is an arithmetic number, because the mean of its divisors is an integer number (430261650000).

Almost surely, 2^{12212344344040} is an apocalyptic number.

12212344344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212344344040 is an abundant number, since it is smaller than the sum of its proper divisors (15324401255960).

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

12212344344040 is a wasteful number, since it uses less digits than its factorization.

12212344344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87290 (or 87286 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 12212344344040 its reverse (4044344321221), we get a palindrome (16256688665261).

The spelling of 12212344344040 in words is "twelve trillion, two hundred twelve billion, three hundred forty-four million, three hundred forty-four thousand, forty".