124420400543220 has 96 divisors (see below), whose sum is σ = 348523904010240. Its totient is φ = 33164796255360.

The previous prime is 124420400543213. The next prime is 124420400543261. The reversal of 124420400543220 is 22345004024421.

124420400543220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2666337609 + ... + 2666384271.

It is an arithmetic number, because the mean of its divisors is an integer number (3630457333440).

Almost surely, 2^{124420400543220} is an apocalyptic number.

124420400543220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124420400543220 is an abundant number, since it is smaller than the sum of its proper divisors (224103503467020).

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

124420400543220 is a wasteful number, since it uses less digits than its factorization.

124420400543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64445 (or 64443 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 124420400543220 its reverse (22345004024421), we get a palindrome (146765404567641).

The spelling of 124420400543220 in words is "one hundred twenty-four trillion, four hundred twenty billion, four hundred million, five hundred forty-three thousand, two hundred twenty".