12605450103 has 24 divisors (see below), whose sum is σ = 18515689920. Its totient is φ = 8261703360.

The previous prime is 12605450101. The next prime is 12605450107. The reversal of 12605450103 is 30105450621.

12605450103 is a `hidden beast` number, since 1 + 2 + 605 + 4 + 50 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 12605450103 - 2¹ = 12605450101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12605450101) 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, 1391593 + ... + 1400621.

It is an arithmetic number, because the mean of its divisors is an integer number (771487080).

Almost surely, 2^12605450103 is an apocalyptic number.

12605450103 is a deficient number, since it is larger than the sum of its proper divisors (5910239817).

12605450103 is a wasteful number, since it uses less digits than its factorization.

12605450103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639 (or 11636 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 12605450103 in words is "twelve billion, six hundred five million, four hundred fifty thousand, one hundred three".