12600543126 has 16 divisors (see below), whose sum is σ = 25203150000. Its totient is φ = 4199837088.

The previous prime is 12600543121. The next prime is 12600543143. The reversal of 12600543126 is 62134500621.

12600543126 is a nontrivial binomial coefficient, being equal to C(158749, 2).

It is a junction number, because it is equal to n+sod(n) for n = 12600543093 and 12600543102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12600543121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 158748.

It is an arithmetic number, because the mean of its divisors is an integer number (1575196875).

Almost surely, 2^12600543126 is an apocalyptic number.

12600543126 is the 158748-th triangular number.

12600543126 is an abundant number, since it is smaller than the sum of its proper divisors (12602606874).

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

12600543126 is a wasteful number, since it uses less digits than its factorization.

12600543126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171983.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 12600543126 in words is "twelve billion, six hundred million, five hundred forty-three thousand, one hundred twenty-six".