12425645016 has 24 divisors (see below), whose sum is σ = 33652788780. Its totient is φ = 4141881648.

The previous prime is 12425644939. The next prime is 12425645017. The reversal of 12425645016 is 61054652421.

12425645016 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 5 + 645 + 0 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425645017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86289130 + ... + 86289273.

Almost surely, 2^12425645016 is an apocalyptic number.

It is an amenable number.

12425645016 is an abundant number, since it is smaller than the sum of its proper divisors (21227143764).

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

12425645016 is a wasteful number, since it uses less digits than its factorization.

12425645016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172578415 (or 172578408 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 12425645016 in words is "twelve billion, four hundred twenty-five million, six hundred forty-five thousand, sixteen".