124215504112 has 60 divisors (see below), whose sum is σ = 280496421336. Its totient is φ = 53133252480.

The previous prime is 124215504089. The next prime is 124215504113. The reversal of 124215504112 is 211405512421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124215504113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258562 + ... + 561502.

Almost surely, 2^124215504112 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 124215504112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140248210668).

124215504112 is an abundant number, since it is smaller than the sum of its proper divisors (156280917224).

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

124215504112 is a wasteful number, since it uses less digits than its factorization.

124215504112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303486 (or 303473 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 124215504112 in words is "one hundred twenty-four billion, two hundred fifteen million, five hundred four thousand, one hundred twelve".