12551230323151 has 16 divisors (see below), whose sum is σ = 13971613358080. Its totient is φ = 11196845019360.

The previous prime is 12551230323127. The next prime is 12551230323157. The reversal of 12551230323151 is 15132303215521.

It is not a de Polignac number, because 12551230323151 - 2²¹ = 12551228225999 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 (12551230323157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20774235 + ... + 21369868.

It is an arithmetic number, because the mean of its divisors is an integer number (873225834880).

Almost surely, 2^{12551230323151} is an apocalyptic number.

12551230323151 is a deficient number, since it is larger than the sum of its proper divisors (1420383034929).

12551230323151 is a wasteful number, since it uses less digits than its factorization.

12551230323151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42144886.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 12551230323151 its reverse (15132303215521), we get a palindrome (27683533538672).

The spelling of 12551230323151 in words is "twelve trillion, five hundred fifty-one billion, two hundred thirty million, three hundred twenty-three thousand, one hundred fifty-one".