12563270105 has 16 divisors (see below), whose sum is σ = 15734628864. Its totient is φ = 9611659200.

The previous prime is 12563270099. The next prime is 12563270123. The reversal of 12563270105 is 50107236521.

It is not a de Polignac number, because 12563270105 - 2²² = 12559075801 is a prime.

It is a super-2 number, since 2×12563270105² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 814727 + ... + 830003.

It is an arithmetic number, because the mean of its divisors is an integer number (983414304).

Almost surely, 2^12563270105 is an apocalyptic number.

It is an amenable number.

12563270105 is a deficient number, since it is larger than the sum of its proper divisors (3171358759).

12563270105 is a wasteful number, since it uses less digits than its factorization.

12563270105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22456.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 12563270105 in words is "twelve billion, five hundred sixty-three million, two hundred seventy thousand, one hundred five".