12560629971 has 8 divisors (see below), whose sum is σ = 16832520144. Its totient is φ = 8331246560.

The previous prime is 12560629969. The next prime is 12560629993. The reversal of 12560629971 is 17992606521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12560629971 - 2¹ = 12560629969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12560629971.

It is not an unprimeable number, because it can be changed into a prime (12560629931) 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, 10626000 + ... + 10627181.

It is an arithmetic number, because the mean of its divisors is an integer number (2104065018).

Almost surely, 2^12560629971 is an apocalyptic number.

12560629971 is a deficient number, since it is larger than the sum of its proper divisors (4271890173).

12560629971 is a wasteful number, since it uses less digits than its factorization.

12560629971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253381.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 12560629971 in words is "twelve billion, five hundred sixty million, six hundred twenty-nine thousand, nine hundred seventy-one".