102612512513 has 16 divisors (see below), whose sum is σ = 121238609664. Its totient is φ = 85009694400.

The previous prime is 102612512491. The next prime is 102612512549. The reversal of 102612512513 is 315215216201.

It is a cyclic number.

It is not a de Polignac number, because 102612512513 - 2³⁶ = 33893035777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102612512213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272770 + ... + 1350987.

It is an arithmetic number, because the mean of its divisors is an integer number (7577413104).

Almost surely, 2^102612512513 is an apocalyptic number.

It is an amenable number.

102612512513 is a deficient number, since it is larger than the sum of its proper divisors (18626097151).

102612512513 is a wasteful number, since it uses less digits than its factorization.

102612512513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623952.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 102612512513 its reverse (315215216201), we get a palindrome (417827728714).

The spelling of 102612512513 in words is "one hundred two billion, six hundred twelve million, five hundred twelve thousand, five hundred thirteen".