12529947773982 has 16 divisors (see below), whose sum is σ = 25063096548240. Its totient is φ = 4176115757952.

The previous prime is 12529947773947. The next prime is 12529947773989. The reversal of 12529947773982 is 28937774992521.

It is a super-2 number, since 2×12529947773982² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529947773989) 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, 133324123 + ... + 133418070.

It is an arithmetic number, because the mean of its divisors is an integer number (1566443534265).

Almost surely, 2^{12529947773982} is an apocalyptic number.

12529947773982 is an abundant number, since it is smaller than the sum of its proper divisors (12533148774258).

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

12529947773982 is a wasteful number, since it uses less digits than its factorization.

12529947773982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266750027.

The product of its digits is 960180480, while the sum is 75.

The spelling of 12529947773982 in words is "twelve trillion, five hundred twenty-nine billion, nine hundred forty-seven million, seven hundred seventy-three thousand, nine hundred eighty-two".