12771179941 has 8 divisors (see below), whose sum is σ = 13761343064. Its totient is φ = 11782126080.

The previous prime is 12771179921. The next prime is 12771179969. The reversal of 12771179941 is 14997117721.

It can be written as a sum of positive squares in 4 ways, for example, as 1229975041 + 11541204900 = 35071^2 + 107430^2 .

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 12771179941 - 2⁹ = 12771179429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771179921) 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, 253320 + ... + 299521.

It is an arithmetic number, because the mean of its divisors is an integer number (1720167883).

Almost surely, 2^12771179941 is an apocalyptic number.

It is an amenable number.

12771179941 is a deficient number, since it is larger than the sum of its proper divisors (990163123).

12771179941 is a wasteful number, since it uses less digits than its factorization.

12771179941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554631.

The product of its digits is 222264, while the sum is 49.

The spelling of 12771179941 in words is "twelve billion, seven hundred seventy-one million, one hundred seventy-nine thousand, nine hundred forty-one".