124122143112 has 128 divisors (see below), whose sum is σ = 359146690560. Its totient is φ = 35329233920.

The previous prime is 124122143107. The next prime is 124122143177. The reversal of 124122143112 is 211341221421.

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

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 31 ways as a sum of consecutive naturals, for example, 2229973 + ... + 2284955.

It is an arithmetic number, because the mean of its divisors is an integer number (2805833520).

Almost surely, 2^124122143112 is an apocalyptic number.

124122143112 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 124122143112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179573345280).

124122143112 is an abundant number, since it is smaller than the sum of its proper divisors (235024547448).

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

124122143112 is a wasteful number, since it uses less digits than its factorization.

124122143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55523 (or 55519 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 124122143112 its reverse (211341221421), we get a palindrome (335463364533).

The spelling of 124122143112 in words is "one hundred twenty-four billion, one hundred twenty-two million, one hundred forty-three thousand, one hundred twelve".