124243032213 has 12 divisors (see below), whose sum is σ = 179482867980. Its totient is φ = 82819129536.

The previous prime is 124243032209. The next prime is 124243032227. The reversal of 124243032213 is 312230342421.

124243032213 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 430 + 3 + 221 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102231749169 + 22011283044 = 319737^2 + 148362^2 .

It is not a de Polignac number, because 124243032213 - 2² = 124243032209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124243032013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713778 + ... + 870611.

It is an arithmetic number, because the mean of its divisors is an integer number (14956905665).

Almost surely, 2^124243032213 is an apocalyptic number.

It is an amenable number.

124243032213 is a deficient number, since it is larger than the sum of its proper divisors (55239835767).

124243032213 is a wasteful number, since it uses less digits than its factorization.

124243032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593108 (or 1593105 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 124243032213 its reverse (312230342421), we get a palindrome (436473374634).

The spelling of 124243032213 in words is "one hundred twenty-four billion, two hundred forty-three million, thirty-two thousand, two hundred thirteen".