12600040771 has 4 divisors (see below), whose sum is σ = 12601082344. Its totient is φ = 12598999200.

The previous prime is 12600040751. The next prime is 12600040823. The reversal of 12600040771 is 17704000621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12600040771 - 2¹¹ = 12600038723 is a prime.

It is a super-2 number, since 2×12600040771² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12600040751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502425 + ... + 526906.

It is an arithmetic number, because the mean of its divisors is an integer number (3150270586).

Almost surely, 2^12600040771 is an apocalyptic number.

12600040771 is a deficient number, since it is larger than the sum of its proper divisors (1041573).

12600040771 is a wasteful number, since it uses less digits than its factorization.

12600040771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041572.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 12600040771 in words is "twelve billion, six hundred million, forty thousand, seven hundred seventy-one".