12400044401148 has 12 divisors (see below), whose sum is σ = 28933436936040. Its totient is φ = 4133348133712.

The previous prime is 12400044401099. The next prime is 12400044401149. The reversal of 12400044401148 is 84110444000421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12400044401148² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400044401149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516668516703 + ... + 516668516726.

It is an arithmetic number, because the mean of its divisors is an integer number (2411119744670).

Almost surely, 2^{12400044401148} is an apocalyptic number.

It is an amenable number.

12400044401148 is an abundant number, since it is smaller than the sum of its proper divisors (16533392534892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12400044401148 is a wasteful number, since it uses less digits than its factorization.

12400044401148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033337033436 (or 1033337033434 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

Adding to 12400044401148 its reverse (84110444000421), we get a palindrome (96510488401569).

The spelling of 12400044401148 in words is "twelve trillion, four hundred billion, forty-four million, four hundred one thousand, one hundred forty-eight".