124012532113 has 2 divisors, whose sum is σ = 124012532114. Its totient is φ = 124012532112.

The previous prime is 124012532099. The next prime is 124012532117. The reversal of 124012532113 is 311235210421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81548511489 + 42464020624 = 285567^2 + 206068^2 .

It is an emirp because it is prime and its reverse (311235210421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124012532113 - 2⁵ = 124012532081 is a prime.

It is not a weakly prime, because it can be changed into another prime (124012532117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62006266056 + 62006266057.

It is an arithmetic number, because the mean of its divisors is an integer number (62006266057).

Almost surely, 2^124012532113 is an apocalyptic number.

It is an amenable number.

124012532113 is a deficient number, since it is larger than the sum of its proper divisors (1).

124012532113 is an equidigital number, since it uses as much as digits as its factorization.

124012532113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 124012532113 its reverse (311235210421), we get a palindrome (435247742534).

The spelling of 124012532113 in words is "one hundred twenty-four billion, twelve million, five hundred thirty-two thousand, one hundred thirteen".