12742886261 has 8 divisors (see below), whose sum is σ = 14565501120. Its totient is φ = 10920822048.

The previous prime is 12742886251. The next prime is 12742886269. The reversal of 12742886261 is 16268824721.

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 12742886261 - 2²⁶ = 12675777397 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 (12742886269) 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, 86816 + ... + 181721.

It is an arithmetic number, because the mean of its divisors is an integer number (1820687640).

Almost surely, 2^12742886261 is an apocalyptic number.

It is an amenable number.

12742886261 is a deficient number, since it is larger than the sum of its proper divisors (1822614859).

12742886261 is an equidigital number, since it uses as much as digits as its factorization.

12742886261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275323.

The product of its digits is 516096, while the sum is 47.

The spelling of 12742886261 in words is "twelve billion, seven hundred forty-two million, eight hundred eighty-six thousand, two hundred sixty-one".