12529452571632 has 60 divisors (see below), whose sum is σ = 35114522542840. Its totient is φ = 4170593487744.

The previous prime is 12529452571621. The next prime is 12529452571661. The reversal of 12529452571632 is 23617525492521.

12529452571632 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 9 + 4 + 5 + 2 + 571 + 63 + 2 = 666.

It is a super-2 number, since 2×12529452571632² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61259038 + ... + 61463229.

Almost surely, 2^{12529452571632} is an apocalyptic number.

12529452571632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12529452571632 is an abundant number, since it is smaller than the sum of its proper divisors (22585069971208).

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

12529452571632 is a wasteful number, since it uses less digits than its factorization.

12529452571632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122722990 (or 122722981 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 12529452571632 in words is "twelve trillion, five hundred twenty-nine billion, four hundred fifty-two million, five hundred seventy-one thousand, six hundred thirty-two".