40012443124101 has 24 divisors (see below), whose sum is σ = 66061273309824. Its totient is φ = 22861142589600.

The previous prime is 40012443124039. The next prime is 40012443124141. The reversal of 40012443124101 is 10142134421004.

40012443124101 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 244 + 3 + 1 + 2 + 410 + 1 = 666.

It is not a de Polignac number, because 40012443124101 - 2²¹ = 40012441026949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012443124141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42736326 + ... + 43662551.

It is an arithmetic number, because the mean of its divisors is an integer number (2752553054576).

Almost surely, 2^{40012443124101} is an apocalyptic number.

It is an amenable number.

40012443124101 is a deficient number, since it is larger than the sum of its proper divisors (26048830185723).

40012443124101 is a wasteful number, since it uses less digits than its factorization.

40012443124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86406241 (or 86406238 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 40012443124101 its reverse (10142134421004), we get a palindrome (50154577545105).

The spelling of 40012443124101 in words is "forty trillion, twelve billion, four hundred forty-three million, one hundred twenty-four thousand, one hundred one".