124120440213 has 32 divisors (see below), whose sum is σ = 206477061120. Its totient is φ = 64432220160.

The previous prime is 124120440211. The next prime is 124120440221. The reversal of 124120440213 is 312044021421.

It is not a de Polignac number, because 124120440213 - 2¹ = 124120440211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124120440211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134806 + ... + 516152.

It is an arithmetic number, because the mean of its divisors is an integer number (6452408160).

Almost surely, 2^124120440213 is an apocalyptic number.

It is an amenable number.

124120440213 is a deficient number, since it is larger than the sum of its proper divisors (82356620907).

124120440213 is a wasteful number, since it uses less digits than its factorization.

124120440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382777.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 124120440213 its reverse (312044021421), we get a palindrome (436164461634).

The spelling of 124120440213 in words is "one hundred twenty-four billion, one hundred twenty million, four hundred forty thousand, two hundred thirteen".