12272052979878 has 32 divisors (see below), whose sum is σ = 24890094035712. Its totient is φ = 4033021020000.

The previous prime is 12272052979877. The next prime is 12272052979897. The reversal of 12272052979878 is 87897925027221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272052979877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62354628 + ... + 62551128.

It is an arithmetic number, because the mean of its divisors is an integer number (777815438616).

Almost surely, 2^{12272052979878} is an apocalyptic number.

12272052979878 is an abundant number, since it is smaller than the sum of its proper divisors (12618041055834).

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

12272052979878 is a wasteful number, since it uses less digits than its factorization.

12272052979878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343180.

The product of its (nonzero) digits is 142248960, while the sum is 69.

The spelling of 12272052979878 in words is "twelve trillion, two hundred seventy-two billion, fifty-two million, nine hundred seventy-nine thousand, eight hundred seventy-eight".