2122539078272 has 32 divisors (see below), whose sum is σ = 4229140029300. Its totient is φ = 1061107855360.

The previous prime is 2122539078269. The next prime is 2122539078313. The reversal of 2122539078272 is 2728709352212.

It can be written as a sum of positive squares in 2 ways, for example, as 2076527112256 + 46011966016 = 1441016^2 + 214504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2122539078272.

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, 417497 + ... + 2102232.

Almost surely, 2^{2122539078272} is an apocalyptic number.

It is an amenable number.

2122539078272 is a deficient number, since it is larger than the sum of its proper divisors (2106600951028).

2122539078272 is an equidigital number, since it uses as much as digits as its factorization.

2122539078272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526324 (or 2526312 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 2122539078272 in words is "two trillion, one hundred twenty-two billion, five hundred thirty-nine million, seventy-eight thousand, two hundred seventy-two".