1271700265632 has 96 divisors (see below), whose sum is σ = 3562044736320. Its totient is φ = 396088289280.

The previous prime is 1271700265567. The next prime is 1271700265681. The reversal of 1271700265632 is 2365620071721.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4642219 + ... + 4908522.

It is an arithmetic number, because the mean of its divisors is an integer number (37104632670).

Almost surely, 2^{1271700265632} is an apocalyptic number.

1271700265632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271700265632 is an abundant number, since it is smaller than the sum of its proper divisors (2290344470688).

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

1271700265632 is a wasteful number, since it uses less digits than its factorization.

1271700265632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550846 (or 9550838 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 1271700265632 in words is "one trillion, two hundred seventy-one billion, seven hundred million, two hundred sixty-five thousand, six hundred thirty-two".