12444100103 has 8 divisors (see below), whose sum is σ = 13100497920. Its totient is φ = 11787846840.

The previous prime is 12444100099. The next prime is 12444100121. The reversal of 12444100103 is 30100144421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444100103 - 2² = 12444100099 is a prime.

It is a super-2 number, since 2×12444100103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444100153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 171098 + ... + 232728.

It is an arithmetic number, because the mean of its divisors is an integer number (1637562240).

Almost surely, 2^12444100103 is an apocalyptic number.

12444100103 is a deficient number, since it is larger than the sum of its proper divisors (656397817).

12444100103 is a wasteful number, since it uses less digits than its factorization.

12444100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72277.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12444100103 its reverse (30100144421), we get a palindrome (42544244524).

The spelling of 12444100103 in words is "twelve billion, four hundred forty-four million, one hundred thousand, one hundred three".