10271217512 has 8 divisors (see below), whose sum is σ = 19258532850. Its totient is φ = 5135608752.

The previous prime is 10271217497. The next prime is 10271217529. The reversal of 10271217512 is 21571217201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7080549316 + 3190668196 = 84146^2 + 56486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641951087 + ... + 641951102.

Almost surely, 2^10271217512 is an apocalyptic number.

It is an amenable number.

10271217512 is a deficient number, since it is larger than the sum of its proper divisors (8987315338).

10271217512 is a wasteful number, since it uses less digits than its factorization.

10271217512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283902195 (or 1283902191 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

The spelling of 10271217512 in words is "ten billion, two hundred seventy-one million, two hundred seventeen thousand, five hundred twelve".