124143512013 has 12 divisors (see below), whose sum is σ = 181994801248. Its totient is φ = 81527082120.

The previous prime is 124143511997. The next prime is 124143512021. The reversal of 124143512013 is 310215341421.

124143512013 is a `hidden beast` number, since 1 + 2 + 4 + 143 + 512 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 124143512013 - 2⁴ = 124143511997 is a prime.

It is a super-2 number, since 2×124143512013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124143512033) 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, 102937633 + ... + 102938838.

Almost surely, 2^124143512013 is an apocalyptic number.

It is an amenable number.

124143512013 is a deficient number, since it is larger than the sum of its proper divisors (57851289235).

124143512013 is a wasteful number, since it uses less digits than its factorization.

124143512013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205876544 (or 205876541 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 124143512013 its reverse (310215341421), we get a palindrome (434358853434).

The spelling of 124143512013 in words is "one hundred twenty-four billion, one hundred forty-three million, five hundred twelve thousand, thirteen".