1271062051172 has 12 divisors (see below), whose sum is σ = 2224430414976. Its totient is φ = 635510504040.

The previous prime is 1271062051153. The next prime is 1271062051199. The reversal of 1271062051172 is 2711502601721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990604 + ... + 5239107.

It is an arithmetic number, because the mean of its divisors is an integer number (185369201248).

Almost surely, 2^{1271062051172} is an apocalyptic number.

It is an amenable number.

1271062051172 is a deficient number, since it is larger than the sum of its proper divisors (953368363804).

1271062051172 is a wasteful number, since it uses less digits than its factorization.

1271062051172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260778 (or 10260776 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

Adding to 1271062051172 its reverse (2711502601721), we get a palindrome (3982564652893).

The spelling of 1271062051172 in words is "one trillion, two hundred seventy-one billion, sixty-two million, fifty-one thousand, one hundred seventy-two".