12649070572 has 6 divisors (see below), whose sum is σ = 22135873508. Its totient is φ = 6324535284.

The previous prime is 12649070549. The next prime is 12649070573. The reversal of 12649070572 is 27507094621.

It is not an unprimeable number, because it can be changed into a prime (12649070573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581133818 + ... + 1581133825.

Almost surely, 2^12649070572 is an apocalyptic number.

It is an amenable number.

12649070572 is a deficient number, since it is larger than the sum of its proper divisors (9486802936).

12649070572 is a wasteful number, since it uses less digits than its factorization.

12649070572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162267647 (or 3162267645 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 12649070572 in words is "twelve billion, six hundred forty-nine million, seventy thousand, five hundred seventy-two".