8130072123650 has 48 divisors (see below), whose sum is σ = 15447083823360. Its totient is φ = 3182134713600.

The previous prime is 8130072123631. The next prime is 8130072123653. The reversal of 8130072123650 is 563212700318.

It is not an unprimeable number, because it can be changed into a prime (8130072123653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10339091 + ... + 11097609.

It is an arithmetic number, because the mean of its divisors is an integer number (321814246320).

Almost surely, 2^{8130072123650} is an apocalyptic number.

8130072123650 is a deficient number, since it is larger than the sum of its proper divisors (7317011699710).

8130072123650 is a wasteful number, since it uses less digits than its factorization.

8130072123650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763139 (or 763134 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 8130072123650 its reverse (563212700318), we get a palindrome (8693284823968).

The spelling of 8130072123650 in words is "eight trillion, one hundred thirty billion, seventy-two million, one hundred twenty-three thousand, six hundred fifty".