12650865770 has 8 divisors (see below), whose sum is σ = 22771558404. Its totient is φ = 5060346304.

The previous prime is 12650865769. The next prime is 12650865833. The reversal of 12650865770 is 7756805621.

It can be written as a sum of positive squares in 2 ways, for example, as 12633535201 + 17330569 = 112399^2 + 4163^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632543279 + ... + 632543298.

Almost surely, 2^12650865770 is an apocalyptic number.

12650865770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650865770 is a deficient number, since it is larger than the sum of its proper divisors (10120692634).

12650865770 is a wasteful number, since it uses less digits than its factorization.

12650865770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265086584.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 12650865770 in words is "twelve billion, six hundred fifty million, eight hundred sixty-five thousand, seven hundred seventy".