2122815980484 has 96 divisors (see below), whose sum is σ = 5664553130880. Its totient is φ = 687074572800.

The previous prime is 2122815980477. The next prime is 2122815980491. The reversal of 2122815980484 is 4840895182212.

2122815980484 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 8 + 1 + 598 + 0 + 48 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2122815980477) and next prime (2122815980491).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2122815980484.

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, 201729 + ... + 2070344.

It is an arithmetic number, because the mean of its divisors is an integer number (59005761780).

Almost surely, 2^{2122815980484} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122815980484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2832276565440).

2122815980484 is an abundant number, since it is smaller than the sum of its proper divisors (3541737150396).

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

2122815980484 is a wasteful number, since it uses less digits than its factorization.

2122815980484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272338 (or 2272330 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 2122815980484 in words is "two trillion, one hundred twenty-two billion, eight hundred fifteen million, nine hundred eighty thousand, four hundred eighty-four".