124455221112 has 64 divisors (see below), whose sum is σ = 324354908160. Its totient is φ = 39749328000.

The previous prime is 124455221039. The next prime is 124455221113. The reversal of 124455221112 is 211122554421.

124455221112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 124455221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124455221113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752968 + ... + 903255.

It is an arithmetic number, because the mean of its divisors is an integer number (5068045440).

Almost surely, 2^124455221112 is an apocalyptic number.

124455221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124455221112 is an abundant number, since it is smaller than the sum of its proper divisors (199899687048).

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

124455221112 is a wasteful number, since it uses less digits than its factorization.

124455221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656364 (or 1656360 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

Adding to 124455221112 its reverse (211122554421), we get a palindrome (335577775533).

The spelling of 124455221112 in words is "one hundred twenty-four billion, four hundred fifty-five million, two hundred twenty-one thousand, one hundred twelve".