124211210005 has 16 divisors (see below), whose sum is σ = 158077157040. Its totient is φ = 93372116992.

The previous prime is 124211209951. The next prime is 124211210021. The reversal of 124211210005 is 500012112421.

It can be written as a sum of positive squares in 8 ways, for example, as 8089743249 + 116121466756 = 89943^2 + 340766^2 .

It is a cyclic number.

It is not a de Polignac number, because 124211210005 - 2²⁹ = 123674339093 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1131760 + ... + 1236649.

It is an arithmetic number, because the mean of its divisors is an integer number (9879822315).

Almost surely, 2^124211210005 is an apocalyptic number.

It is an amenable number.

124211210005 is a deficient number, since it is larger than the sum of its proper divisors (33865947035).

124211210005 is a wasteful number, since it uses less digits than its factorization.

124211210005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369048.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 124211210005 its reverse (500012112421), we get a palindrome (624223322426).

The spelling of 124211210005 in words is "one hundred twenty-four billion, two hundred eleven million, two hundred ten thousand, five".