124231320213 has 128 divisors (see below), whose sum is σ = 233280552960. Its totient is φ = 56725816320.

The previous prime is 124231320197. The next prime is 124231320289. The reversal of 124231320213 is 312023132421.

It is not a de Polignac number, because 124231320213 - 2⁴ = 124231320197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124231320713) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5210323 + ... + 5234111.

It is an arithmetic number, because the mean of its divisors is an integer number (1822504320).

Almost surely, 2^124231320213 is an apocalyptic number.

124231320213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124231320213 is a deficient number, since it is larger than the sum of its proper divisors (109049232747).

124231320213 is a wasteful number, since it uses less digits than its factorization.

124231320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 124231320213 its reverse (312023132421), we get a palindrome (436254452634).

It can be divided in two parts, 124231 and 320213, that added together give a palindrome (444444).

The spelling of 124231320213 in words is "one hundred twenty-four billion, two hundred thirty-one million, three hundred twenty thousand, two hundred thirteen".