12445422101 has 16 divisors (see below), whose sum is σ = 15209130240. Its totient is φ = 9940588800.

The previous prime is 12445422091. The next prime is 12445422133. The reversal of 12445422101 is 10122454421.

It is a cyclic number.

It is not a de Polignac number, because 12445422101 - 2¹⁰ = 12445421077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445422151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505721 + ... + 529758.

It is an arithmetic number, because the mean of its divisors is an integer number (950570640).

Almost surely, 2^12445422101 is an apocalyptic number.

It is an amenable number.

12445422101 is a deficient number, since it is larger than the sum of its proper divisors (2763708139).

12445422101 is a wasteful number, since it uses less digits than its factorization.

12445422101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035604.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 12445422101 its reverse (10122454421), we get a palindrome (22567876522).

The spelling of 12445422101 in words is "twelve billion, four hundred forty-five million, four hundred twenty-two thousand, one hundred one".