12742470271784 has 16 divisors (see below), whose sum is σ = 26064143737920. Its totient is φ = 5792031941680.

The previous prime is 12742470271711. The next prime is 12742470271789. The reversal of 12742470271784 is 48717207424721.

It is not an unprimeable number, because it can be changed into a prime (12742470271789) 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, 72400399184 + ... + 72400399359.

It is an arithmetic number, because the mean of its divisors is an integer number (1629008983620).

Almost surely, 2^{12742470271784} is an apocalyptic number.

It is an amenable number.

12742470271784 is an abundant number, since it is smaller than the sum of its proper divisors (13321673466136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12742470271784 is a wasteful number, since it uses less digits than its factorization.

12742470271784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144800798560 (or 144800798556 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 56.

The spelling of 12742470271784 in words is "twelve trillion, seven hundred forty-two billion, four hundred seventy million, two hundred seventy-one thousand, seven hundred eighty-four".