12680602261 has 16 divisors (see below), whose sum is σ = 13718267200. Its totient is φ = 11682413568.

The previous prime is 12680602241. The next prime is 12680602271. The reversal of 12680602261 is 16220608621.

It is not a de Polignac number, because 12680602261 - 2⁷ = 12680602133 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 (12680602241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153205 + ... + 220981.

It is an arithmetic number, because the mean of its divisors is an integer number (857391700).

Almost surely, 2^12680602261 is an apocalyptic number.

It is an amenable number.

12680602261 is a deficient number, since it is larger than the sum of its proper divisors (1037664939).

12680602261 is a wasteful number, since it uses less digits than its factorization.

12680602261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68068.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 12680602261 in words is "twelve billion, six hundred eighty million, six hundred two thousand, two hundred sixty-one".