12444001013445 has 32 divisors (see below), whose sum is σ = 19975792472064. Its totient is φ = 6615006523200.

The previous prime is 12444001013401. The next prime is 12444001013453. The reversal of 12444001013445 is 54431010044421.

It is not a de Polignac number, because 12444001013445 - 2⁸ = 12444001013189 is a prime.

It is a super-2 number, since 2×12444001013445² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74421204 + ... + 74588226.

It is an arithmetic number, because the mean of its divisors is an integer number (624243514752).

Almost surely, 2^{12444001013445} is an apocalyptic number.

12444001013445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12444001013445 is a deficient number, since it is larger than the sum of its proper divisors (7531791458619).

12444001013445 is a wasteful number, since it uses less digits than its factorization.

12444001013445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183313.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 12444001013445 its reverse (54431010044421), we get a palindrome (66875011057866).

The spelling of 12444001013445 in words is "twelve trillion, four hundred forty-four billion, one million, thirteen thousand, four hundred forty-five".