102512134005 has 16 divisors (see below), whose sum is σ = 164059940544. Its totient is φ = 54659629440.

The previous prime is 102512134001. The next prime is 102512134019. The reversal of 102512134005 is 500431215201.

It is a happy number.

It is not a de Polignac number, because 102512134005 - 2² = 102512134001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102512134001) 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, 781411 + ... + 903120.

It is an arithmetic number, because the mean of its divisors is an integer number (10253746284).

Almost surely, 2^102512134005 is an apocalyptic number.

102512134005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102512134005 is a deficient number, since it is larger than the sum of its proper divisors (61547806539).

102512134005 is a wasteful number, since it uses less digits than its factorization.

102512134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688596.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 102512134005 its reverse (500431215201), we get a palindrome (602943349206).

The spelling of 102512134005 in words is "one hundred two billion, five hundred twelve million, one hundred thirty-four thousand, five".