124011136512 has 320 divisors, whose sum is σ = 405591183360. Its totient is φ = 37212291072.

The previous prime is 124011136481. The next prime is 124011136531. The reversal of 124011136512 is 215631110421.

124011136512 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 1 + 1 + 1 + 3 + 651 + 2 = 666.

It is a super-2 number, since 2×124011136512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5393713 + ... + 5416655.

It is an arithmetic number, because the mean of its divisors is an integer number (1267472448).

Almost surely, 2^124011136512 is an apocalyptic number.

124011136512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124011136512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202795591680).

124011136512 is an abundant number, since it is smaller than the sum of its proper divisors (281580046848).

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

124011136512 is a wasteful number, since it uses less digits than its factorization.

124011136512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23010 (or 22988 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 124011136512 its reverse (215631110421), we get a palindrome (339642246933).

The spelling of 124011136512 in words is "one hundred twenty-four billion, eleven million, one hundred thirty-six thousand, five hundred twelve".