12551230323158 has 8 divisors (see below), whose sum is σ = 18830015538840. Its totient is φ = 6274558476880.

The previous prime is 12551230323157. The next prime is 12551230323257. The reversal of 12551230323158 is 85132303215521.

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

It is a super-2 number, since 2×12551230323158² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551230323157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528327503 + ... + 528351258.

It is an arithmetic number, because the mean of its divisors is an integer number (2353751942355).

Almost surely, 2^{12551230323158} is an apocalyptic number.

12551230323158 is a deficient number, since it is larger than the sum of its proper divisors (6278785215682).

12551230323158 is a wasteful number, since it uses less digits than its factorization.

12551230323158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056684702.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 12551230323158 its reverse (85132303215521), we get a palindrome (97683533538679).

The spelling of 12551230323158 in words is "twelve trillion, five hundred fifty-one billion, two hundred thirty million, three hundred twenty-three thousand, one hundred fifty-eight".