65121712101050 has 96 divisors (see below), whose sum is σ = 132364634371200. Its totient is φ = 23639999328000.

The previous prime is 65121712101041. The next prime is 65121712101059. The reversal of 65121712101050 is 5010121712156.

65121712101050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65121712101041) and next prime (65121712101059).

It is a super-2 number, since 2×65121712101050² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65121712100998 and 65121712101016.

It is not an unprimeable number, because it can be changed into a prime (65121712101059) 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 47 ways as a sum of consecutive naturals, for example, 2137295216 + ... + 2137325684.

It is an arithmetic number, because the mean of its divisors is an integer number (1378798274700).

Almost surely, 2^{65121712101050} is an apocalyptic number.

65121712101050 is an abundant number, since it is smaller than the sum of its proper divisors (67242922270150).

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

65121712101050 is a wasteful number, since it uses less digits than its factorization.

65121712101050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37032 (or 37027 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 32.

The spelling of 65121712101050 in words is "sixty-five trillion, one hundred twenty-one billion, seven hundred twelve million, one hundred one thousand, fifty".