1271766122050 has 12 divisors (see below), whose sum is σ = 2365484987106. Its totient is φ = 508706448800.

The previous prime is 1271766122027. The next prime is 1271766122051. The reversal of 1271766122050 is 502216671721.

It can be written as a sum of positive squares in 3 ways, for example, as 783485211609 + 488280910441 = 885147^2 + 698771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1271766121994 and 1271766122012.

It is not an unprimeable number, because it can be changed into a prime (1271766122051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12717661171 + ... + 12717661270.

Almost surely, 2^{1271766122050} is an apocalyptic number.

1271766122050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1271766122050 is a deficient number, since it is larger than the sum of its proper divisors (1093718865056).

1271766122050 is a wasteful number, since it uses less digits than its factorization.

1271766122050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25435322453 (or 25435322448 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 1271766122050 in words is "one trillion, two hundred seventy-one billion, seven hundred sixty-six million, one hundred twenty-two thousand, fifty".