1271060331200 has 168 divisors, whose sum is σ = 3476308952880. Its totient is φ = 453482598400.

The previous prime is 1271060331187. The next prime is 1271060331223. The reversal of 1271060331200 is 21330601721.

It is a self number, because there is not a number n which added to its sum of digits gives 1271060331200.

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, 251486 + ... + 1614114.

Almost surely, 2^{1271060331200} is an apocalyptic number.

1271060331200 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 1271060331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738154476440).

1271060331200 is an abundant number, since it is smaller than the sum of its proper divisors (2205248621680).

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

1271060331200 is a wasteful number, since it uses less digits than its factorization.

1271060331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362715 (or 1362700 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 1271060331200 its reverse (21330601721), we get a palindrome (1292390932921).

The spelling of 1271060331200 in words is "one trillion, two hundred seventy-one billion, sixty million, three hundred thirty-one thousand, two hundred".