124005531213120 has 112 divisors (see below), whose sum is σ = 393871907899008. Its totient is φ = 33055178188800.

The previous prime is 124005531213041. The next prime is 124005531213133. The reversal of 124005531213120 is 21312135500421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22869039 + ... + 27766958.

It is an arithmetic number, because the mean of its divisors is an integer number (3516713463384).

Almost surely, 2^{124005531213120} is an apocalyptic number.

124005531213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124005531213120 is an abundant number, since it is smaller than the sum of its proper divisors (269866376685888).

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

124005531213120 is a wasteful number, since it uses less digits than its factorization.

124005531213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50638568 (or 50638558 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 124005531213120 its reverse (21312135500421), we get a palindrome (145317666713541).

The spelling of 124005531213120 in words is "one hundred twenty-four trillion, five billion, five hundred thirty-one million, two hundred thirteen thousand, one hundred twenty".