102116512 has 24 divisors (see below), whose sum is σ = 202518036. Its totient is φ = 50683392.

The previous prime is 102116503. The next prime is 102116513. The reversal of 102116512 is 215611201.

It can be written as a sum of positive squares in 2 ways, for example, as 95335696 + 6780816 = 9764^2 + 2604^2 .

It is a super-2 number, since 2×102116512² = 20855564046092288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102116512.

It is not an unprimeable number, because it can be changed into a prime (102116513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7263 + ... + 16030.

Almost surely, 2^102116512 is an apocalyptic number.

It is an amenable number.

102116512 is a deficient number, since it is larger than the sum of its proper divisors (100401524).

102116512 is a wasteful number, since it uses less digits than its factorization.

102116512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23440 (or 23432 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 102116512 is about 10105.2714956106. The cubic root of 102116512 is about 467.4107078742.

Adding to 102116512 its reverse (215611201), we get a palindrome (317727713).

The spelling of 102116512 in words is "one hundred two million, one hundred sixteen thousand, five hundred twelve".