124000154012 has 90 divisors (see below), whose sum is σ = 264647913768. Its totient is φ = 50830278576.

The previous prime is 124000154011. The next prime is 124000154077. The reversal of 124000154012 is 210451000421.

It is a happy number.

It is a super-2 number, since 2×124000154012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124000154011) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5068313 + ... + 5092719.

Almost surely, 2^124000154012 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 124000154012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132323956884).

124000154012 is an abundant number, since it is smaller than the sum of its proper divisors (140647759756).

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

124000154012 is an equidigital number, since it uses as much as digits as its factorization.

124000154012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24485 (or 24439 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 124000154012 its reverse (210451000421), we get a palindrome (334451154433).

The spelling of 124000154012 in words is "one hundred twenty-four billion, one hundred fifty-four thousand, twelve".