2212612182840 has 128 divisors (see below), whose sum is σ = 6669775872000. Its totient is φ = 587193965568.

The previous prime is 2212612182829. The next prime is 2212612182857. The reversal of 2212612182840 is 482812162122.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 47499481 + ... + 47546039.

It is an arithmetic number, because the mean of its divisors is an integer number (52107624000).

Almost surely, 2^{2212612182840} is an apocalyptic number.

2212612182840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212612182840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3334887936000).

2212612182840 is an abundant number, since it is smaller than the sum of its proper divisors (4457163689160).

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

2212612182840 is a wasteful number, since it uses less digits than its factorization.

2212612182840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48469 (or 48465 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 2212612182840 in words is "two trillion, two hundred twelve billion, six hundred twelve million, one hundred eighty-two thousand, eight hundred forty".