12551012167 has 8 divisors (see below), whose sum is σ = 13028127840. Its totient is φ = 12076851360.

The previous prime is 12551012141. The next prime is 12551012189. The reversal of 12551012167 is 76121015521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12551012167 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 (12551012107) 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 7 ways as a sum of consecutive naturals, for example, 730059 + ... + 747052.

It is an arithmetic number, because the mean of its divisors is an integer number (1628515980).

Almost surely, 2^12551012167 is an apocalyptic number.

12551012167 is a deficient number, since it is larger than the sum of its proper divisors (477115673).

12551012167 is a wasteful number, since it uses less digits than its factorization.

12551012167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477433.

The product of its (nonzero) digits is 4200, while the sum is 31.

Adding to 12551012167 its reverse (76121015521), we get a palindrome (88672027688).

The spelling of 12551012167 in words is "twelve billion, five hundred fifty-one million, twelve thousand, one hundred sixty-seven".