12740771841 has 32 divisors (see below), whose sum is σ = 20566594560. Its totient is φ = 6853294656.

The previous prime is 12740771837. The next prime is 12740771843. The reversal of 12740771841 is 14817704721.

It is not a de Polignac number, because 12740771841 - 2² = 12740771837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12740771793 and 12740771802.

It is not an unprimeable number, because it can be changed into a prime (12740771843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39051 + ... + 164336.

It is an arithmetic number, because the mean of its divisors is an integer number (642706080).

Almost surely, 2^12740771841 is an apocalyptic number.

It is an amenable number.

12740771841 is a deficient number, since it is larger than the sum of its proper divisors (7825822719).

12740771841 is a wasteful number, since it uses less digits than its factorization.

12740771841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203573.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 12740771841 in words is "twelve billion, seven hundred forty million, seven hundred seventy-one thousand, eight hundred forty-one".