124404421312 has 56 divisors (see below), whose sum is σ = 261810185040. Its totient is φ = 58448363520.

The previous prime is 124404421303. The next prime is 124404421313. The reversal of 124404421312 is 213124404421.

It is not an unprimeable number, because it can be changed into a prime (124404421313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581112 + ... + 765832.

Almost surely, 2^124404421312 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 124404421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130905092520).

124404421312 is an abundant number, since it is smaller than the sum of its proper divisors (137405763728).

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

124404421312 is a wasteful number, since it uses less digits than its factorization.

124404421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185369 (or 185359 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 124404421312 its reverse (213124404421), we get a palindrome (337528825733).

The spelling of 124404421312 in words is "one hundred twenty-four billion, four hundred four million, four hundred twenty-one thousand, three hundred twelve".