12529100061 has 16 divisors (see below), whose sum is σ = 19538558400. Its totient is φ = 7913115504.

The previous prime is 12529100021. The next prime is 12529100131. The reversal of 12529100061 is 16000192521.

It is not a de Polignac number, because 12529100061 - 2²³ = 12520711453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12529099998 and 12529100034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529100021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12211086 + ... + 12212111.

It is an arithmetic number, because the mean of its divisors is an integer number (1221159900).

Almost surely, 2^12529100061 is an apocalyptic number.

It is an amenable number.

12529100061 is a deficient number, since it is larger than the sum of its proper divisors (7009458339).

12529100061 is a wasteful number, since it uses less digits than its factorization.

12529100061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24423225 (or 24423219 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 12529100061 its reverse (16000192521), we get a palindrome (28529292582).

The spelling of 12529100061 in words is "twelve billion, five hundred twenty-nine million, one hundred thousand, sixty-one".