124051115112 has 128 divisors (see below), whose sum is σ = 331121986560. Its totient is φ = 38644784640.

The previous prime is 124051115099. The next prime is 124051115131. The reversal of 124051115112 is 211511150421.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4297287 + ... + 4326057.

It is an arithmetic number, because the mean of its divisors is an integer number (2586890520).

Almost surely, 2^124051115112 is an apocalyptic number.

124051115112 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 124051115112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165560993280).

124051115112 is an abundant number, since it is smaller than the sum of its proper divisors (207070871448).

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

124051115112 is a wasteful number, since it uses less digits than its factorization.

124051115112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28983 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 124051115112 its reverse (211511150421), we get a palindrome (335562265533).

The spelling of 124051115112 in words is "one hundred twenty-four billion, fifty-one million, one hundred fifteen thousand, one hundred twelve".