12586440572 has 12 divisors (see below), whose sum is σ = 22736796096. Its totient is φ = 6090213120.

The previous prime is 12586440533. The next prime is 12586440577. The reversal of 12586440572 is 27504468521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12586440577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50751653 + ... + 50751900.

It is an arithmetic number, because the mean of its divisors is an integer number (1894733008).

Almost surely, 2^12586440572 is an apocalyptic number.

It is an amenable number.

12586440572 is a deficient number, since it is larger than the sum of its proper divisors (10150355524).

12586440572 is a wasteful number, since it uses less digits than its factorization.

12586440572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101503588 (or 101503586 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 12586440572 in words is "twelve billion, five hundred eighty-six million, four hundred forty thousand, five hundred seventy-two".