102652120013 has 4 divisors (see below), whose sum is σ = 102660267360. Its totient is φ = 102643972668.

The previous prime is 102652120003. The next prime is 102652120031. The reversal of 102652120013 is 310021256201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310021256201 = 448187 ⋅691723.

It is a cyclic number.

It is not a de Polignac number, because 102652120013 - 2²⁰ = 102651071437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102652120003) 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, 4054745 + ... + 4079982.

It is an arithmetic number, because the mean of its divisors is an integer number (25665066840).

Almost surely, 2^102652120013 is an apocalyptic number.

It is an amenable number.

102652120013 is a deficient number, since it is larger than the sum of its proper divisors (8147347).

102652120013 is an equidigital number, since it uses as much as digits as its factorization.

102652120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147346.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 102652120013 its reverse (310021256201), we get a palindrome (412673376214).

The spelling of 102652120013 in words is "one hundred two billion, six hundred fifty-two million, one hundred twenty thousand, thirteen".