127866781218132 has 72 divisors (see below), whose sum is σ = 371160353796960. Its totient is φ = 36708166854720.

The previous prime is 127866781218091. The next prime is 127866781218173. The reversal of 127866781218132 is 231812187668721.

127866781218132 is a `hidden beast` number, since 1 + 278 + 6 + 67 + 81 + 218 + 13 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (127866781218091) and next prime (127866781218173).

It is a self number, because there is not a number n which added to its sum of digits gives 127866781218132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8497253323 + ... + 8497268370.

Almost surely, 2^{127866781218132} is an apocalyptic number.

127866781218132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127866781218132 is an abundant number, since it is smaller than the sum of its proper divisors (243293572578828).

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

127866781218132 is a wasteful number, since it uses less digits than its factorization.

127866781218132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994521733 (or 16994521728 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The spelling of 127866781218132 in words is "one hundred twenty-seven trillion, eight hundred sixty-six billion, seven hundred eighty-one million, two hundred eighteen thousand, one hundred thirty-two".