12500134212276 has 72 divisors (see below), whose sum is σ = 33323228833440. Its totient is φ = 4096089158112.

The previous prime is 12500134212271. The next prime is 12500134212341. The reversal of 12500134212276 is 67221243100521.

12500134212276 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 0 + 1 + 3 + 421 + 227 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12500134212276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500134212271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108927571 + ... + 109042266.

Almost surely, 2^{12500134212276} is an apocalyptic number.

It is an amenable number.

12500134212276 is an abundant number, since it is smaller than the sum of its proper divisors (20823094621164).

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

12500134212276 is a wasteful number, since it uses less digits than its factorization.

12500134212276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217969915 (or 217969901 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 12500134212276 its reverse (67221243100521), we get a palindrome (79721377312797).

The spelling of 12500134212276 in words is "twelve trillion, five hundred billion, one hundred thirty-four million, two hundred twelve thousand, two hundred seventy-six".