124320131312 has 80 divisors (see below), whose sum is σ = 263291898240. Its totient is φ = 56522188800.

The previous prime is 124320131303. The next prime is 124320131321. The reversal of 124320131312 is 213131023421.

It is an interprime number because it is at equal distance from previous prime (124320131303) and next prime (124320131321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004362 + ... + 5029142.

It is an arithmetic number, because the mean of its divisors is an integer number (3291148728).

Almost surely, 2^124320131312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124320131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131645949120).

124320131312 is an abundant number, since it is smaller than the sum of its proper divisors (138971766928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124320131312 is a wasteful number, since it uses less digits than its factorization.

124320131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25162 (or 25156 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 124320131312 its reverse (213131023421), we get a palindrome (337451154733).

The spelling of 124320131312 in words is "one hundred twenty-four billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twelve".