12610102205 has 4 divisors (see below), whose sum is σ = 15132122652. Its totient is φ = 10088081760.

The previous prime is 12610102139. The next prime is 12610102217. The reversal of 12610102205 is 50220101621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1917301369 + 10692800836 = 43787^2 + 103406^2 .

It is not a de Polignac number, because 12610102205 - 2⁸ = 12610101949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261010216 + ... + 1261010225.

It is an arithmetic number, because the mean of its divisors is an integer number (3783030663).

Almost surely, 2^12610102205 is an apocalyptic number.

It is an amenable number.

12610102205 is a deficient number, since it is larger than the sum of its proper divisors (2522020447).

12610102205 is an equidigital number, since it uses as much as digits as its factorization.

12610102205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522020446.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12610102205 its reverse (50220101621), we get a palindrome (62830203826).

The spelling of 12610102205 in words is "twelve billion, six hundred ten million, one hundred two thousand, two hundred five".