12150782567 has 16 divisors (see below), whose sum is σ = 15161472000. Its totient is φ = 9460364640.

The previous prime is 12150782563. The next prime is 12150782629. The reversal of 12150782567 is 76528705121.

It is a cyclic number.

It is not a de Polignac number, because 12150782567 - 2² = 12150782563 is a prime.

It is a super-2 number, since 2×12150782567² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150782561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30434 + ... + 158832.

It is an arithmetic number, because the mean of its divisors is an integer number (947592000).

Almost surely, 2^12150782567 is an apocalyptic number.

12150782567 is a deficient number, since it is larger than the sum of its proper divisors (3010689433).

12150782567 is a wasteful number, since it uses less digits than its factorization.

12150782567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129646.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 12150782567 in words is "twelve billion, one hundred fifty million, seven hundred eighty-two thousand, five hundred sixty-seven".