12540632266244 has 24 divisors (see below), whose sum is σ = 21974252021568. Its totient is φ = 6262277767200.

The previous prime is 12540632266237. The next prime is 12540632266247. The reversal of 12540632266244 is 44266223604521.

It is not an unprimeable number, because it can be changed into a prime (12540632266247) 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, 15269102 + ... + 16069434.

It is an arithmetic number, because the mean of its divisors is an integer number (915593834232).

Almost surely, 2^{12540632266244} is an apocalyptic number.

It is an amenable number.

12540632266244 is a deficient number, since it is larger than the sum of its proper divisors (9433619755324).

12540632266244 is a wasteful number, since it uses less digits than its factorization.

12540632266244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805355 (or 805353 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 12540632266244 in words is "twelve trillion, five hundred forty billion, six hundred thirty-two million, two hundred sixty-six thousand, two hundred forty-four".