12454213005 has 144 divisors (see below), whose sum is σ = 25986607920. Its totient is φ = 5465346048.

The previous prime is 12454213001. The next prime is 12454213019. The reversal of 12454213005 is 50031245421.

12454213005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2136935529 + 10317277476 = 46227^2 + 101574^2 .

It is not a de Polignac number, because 12454213005 - 2² = 12454213001 is a prime.

It is a super-2 number, since 2×12454213005² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12454213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454213001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3588411 + ... + 3591879.

It is an arithmetic number, because the mean of its divisors is an integer number (180462555).

Almost surely, 2^12454213005 is an apocalyptic number.

12454213005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12454213005 is an abundant number, since it is smaller than the sum of its proper divisors (13532394915).

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

12454213005 is a wasteful number, since it uses less digits than its factorization.

12454213005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12454213005 its reverse (50031245421), we get a palindrome (62485458426).

The spelling of 12454213005 in words is "twelve billion, four hundred fifty-four million, two hundred thirteen thousand, five".