124111878912 has 432 divisors, whose sum is σ = 434248617600. Its totient is φ = 34853898240.

The previous prime is 124111878893. The next prime is 124111878941. The reversal of 124111878912 is 219878111421.

It is a tau number, because it is divible by the number of its divisors (432).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19979487 + ... + 19985697.

Almost surely, 2^124111878912 is an apocalyptic number.

124111878912 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 124111878912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217124308800).

124111878912 is an abundant number, since it is smaller than the sum of its proper divisors (310136738688).

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

124111878912 is an equidigital number, since it uses as much as digits as its factorization.

124111878912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6282 counting only the distinct ones).

The product of its digits is 64512, while the sum is 45.

The spelling of 124111878912 in words is "one hundred twenty-four billion, one hundred eleven million, eight hundred seventy-eight thousand, nine hundred twelve".