12446115101 has 6 divisors (see below), whose sum is σ = 14478133950. Its totient is φ = 10668098616.

The previous prime is 12446115083. The next prime is 12446115109. The reversal of 12446115101 is 10151164421.

It can be written as a sum of positive squares in only one way, i.e., 8258083876 + 4188031225 = 90874^2 + 64715^2 .

It is not a de Polignac number, because 12446115101 - 2²² = 12441920797 is a prime.

It is a super-2 number, since 2×12446115101² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446115109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127001126 + ... + 127001223.

It is an arithmetic number, because the mean of its divisors is an integer number (2413022325).

Almost surely, 2^12446115101 is an apocalyptic number.

It is an amenable number.

12446115101 is a deficient number, since it is larger than the sum of its proper divisors (2032018849).

12446115101 is an equidigital number, since it uses as much as digits as its factorization.

12446115101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254002363 (or 254002356 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 12446115101 its reverse (10151164421), we get a palindrome (22597279522).

The spelling of 12446115101 in words is "twelve billion, four hundred forty-six million, one hundred fifteen thousand, one hundred one".