12540514130 has 8 divisors (see below), whose sum is σ = 22572925452. Its totient is φ = 5016205648.

The previous prime is 12540514097. The next prime is 12540514157. The reversal of 12540514130 is 3141504521.

It can be written as a sum of positive squares in 2 ways, for example, as 12014132881 + 526381249 = 109609^2 + 22943^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12540514130.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 627025697 + ... + 627025716.

Almost surely, 2^12540514130 is an apocalyptic number.

12540514130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12540514130 is a deficient number, since it is larger than the sum of its proper divisors (10032411322).

12540514130 is a wasteful number, since it uses less digits than its factorization.

12540514130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254051420.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12540514130 in words is "twelve billion, five hundred forty million, five hundred fourteen thousand, one hundred thirty".