12510133545 has 128 divisors (see below), whose sum is σ = 25557073920. Its totient is φ = 5083223040.

The previous prime is 12510133543. The next prime is 12510133547. The reversal of 12510133545 is 54533101521.

It is an interprime number because it is at equal distance from previous prime (12510133543) and next prime (12510133547).

It is not a de Polignac number, because 12510133545 - 2¹ = 12510133543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12510133541) 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 127 ways as a sum of consecutive naturals, for example, 10112667 + ... + 10113903.

It is an arithmetic number, because the mean of its divisors is an integer number (199664640).

Almost surely, 2^12510133545 is an apocalyptic number.

12510133545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12510133545 is an abundant number, since it is smaller than the sum of its proper divisors (13046940375).

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

12510133545 is a wasteful number, since it uses less digits than its factorization.

12510133545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 12510133545 in words is "twelve billion, five hundred ten million, one hundred thirty-three thousand, five hundred forty-five".