1271323522260 has 96 divisors (see below), whose sum is σ = 4314795004800. Its totient is φ = 308199640320.

The previous prime is 1271323522253. The next prime is 1271323522361. The reversal of 1271323522260 is 622253231721.

1271323522260 is a `hidden beast` number, since 1 + 2 + 71 + 3 + 2 + 3 + 522 + 2 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107007825 + ... + 107019704.

It is an arithmetic number, because the mean of its divisors is an integer number (44945781300).

Almost surely, 2^{1271323522260} is an apocalyptic number.

1271323522260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1271323522260 is an abundant number, since it is smaller than the sum of its proper divisors (3043471482540).

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

1271323522260 is a wasteful number, since it uses less digits than its factorization.

1271323522260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214027558 (or 214027550 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 1271323522260 its reverse (622253231721), we get a palindrome (1893576753981).

The spelling of 1271323522260 in words is "one trillion, two hundred seventy-one billion, three hundred twenty-three million, five hundred twenty-two thousand, two hundred sixty".