10271221012 has 48 divisors (see below), whose sum is σ = 19547164672. Its totient is φ = 4694215680.

The previous prime is 10271221003. The next prime is 10271221027. The reversal of 10271221012 is 21012217201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443337 + ... + 4445647.

Almost surely, 2^10271221012 is an apocalyptic number.

It is an amenable number.

10271221012 is a deficient number, since it is larger than the sum of its proper divisors (9275943660).

10271221012 is a wasteful number, since it uses less digits than its factorization.

10271221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 10271221012 its reverse (21012217201), we get a palindrome (31283438213).

The spelling of 10271221012 in words is "ten billion, two hundred seventy-one million, two hundred twenty-one thousand, twelve".