12605450129 has 8 divisors (see below), whose sum is σ = 12902817312. Its totient is φ = 12308274720.

The previous prime is 12605450107. The next prime is 12605450141. The reversal of 12605450129 is 92105450621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12605450129 - 2⁸ = 12605449873 is a prime.

It is a super-2 number, since 2×12605450129² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12605450629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89669 + ... + 182349.

It is an arithmetic number, because the mean of its divisors is an integer number (1612852164).

Almost surely, 2^12605450129 is an apocalyptic number.

It is an amenable number.

12605450129 is a deficient number, since it is larger than the sum of its proper divisors (297367183).

12605450129 is an equidigital number, since it uses as much as digits as its factorization.

12605450129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95887.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 12605450129 in words is "twelve billion, six hundred five million, four hundred fifty thousand, one hundred twenty-nine".