1271738132160 has 672 divisors, whose sum is σ = 4295266959360. Its totient is φ = 318702698496.

The previous prime is 1271738132149. The next prime is 1271738132167. The reversal of 1271738132160 is 612318371721.

It is not an unprimeable number, because it can be changed into a prime (1271738132167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8100242802 + ... + 8100242958.

Almost surely, 2^{1271738132160} is an apocalyptic number.

1271738132160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271738132160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147633479680).

1271738132160 is an abundant number, since it is smaller than the sum of its proper divisors (3023528827200).

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

1271738132160 is a wasteful number, since it uses less digits than its factorization.

1271738132160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 1271738132160 in words is "one trillion, two hundred seventy-one billion, seven hundred thirty-eight million, one hundred thirty-two thousand, one hundred sixty".