12705802552 has 16 divisors (see below), whose sum is σ = 23824658160. Its totient is φ = 6352560384.

The previous prime is 12705802547. The next prime is 12705802559. The reversal of 12705802552 is 25520850721.

12705802552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12705802552² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705802559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191368 + ... + 249064.

It is an arithmetic number, because the mean of its divisors is an integer number (1489041135).

Almost surely, 2^12705802552 is an apocalyptic number.

It is an amenable number.

12705802552 is a deficient number, since it is larger than the sum of its proper divisors (11118855608).

12705802552 is a wasteful number, since it uses less digits than its factorization.

12705802552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85230 (or 85226 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 12705802552 in words is "twelve billion, seven hundred five million, eight hundred two thousand, five hundred fifty-two".