7122520878396 has 48 divisors (see below), whose sum is σ = 20720060739840. Its totient is φ = 1850005422720.

The previous prime is 7122520878391. The next prime is 7122520878419. The reversal of 7122520878396 is 6938780252217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122520878391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854177041 + ... + 3854178888.

It is an arithmetic number, because the mean of its divisors is an integer number (431667932080).

Almost surely, 2^{7122520878396} is an apocalyptic number.

It is an amenable number.

7122520878396 is an abundant number, since it is smaller than the sum of its proper divisors (13597539861444).

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

7122520878396 is a wasteful number, since it uses less digits than its factorization.

7122520878396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708355954 (or 7708355952 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 7122520878396 in words is "seven trillion, one hundred twenty-two billion, five hundred twenty million, eight hundred seventy-eight thousand, three hundred ninety-six".