12425645034 has 96 divisors (see below), whose sum is σ = 29808979200. Its totient is φ = 3709255680.

The previous prime is 12425645017. The next prime is 12425645047. The reversal of 12425645034 is 43054652421.

12425645034 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 5 + 645 + 0 + 3 + 4 = 666.

It is a super-2 number, since 2×12425645034² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12425645034.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12028182 + ... + 12029214.

It is an arithmetic number, because the mean of its divisors is an integer number (310510200).

Almost surely, 2^12425645034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12425645034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14904489600).

12425645034 is an abundant number, since it is smaller than the sum of its proper divisors (17383334166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12425645034 is a wasteful number, since it uses less digits than its factorization.

12425645034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 12425645034 in words is "twelve billion, four hundred twenty-five million, six hundred forty-five thousand, thirty-four".