124323212420 has 24 divisors (see below), whose sum is σ = 284813178048. Its totient is φ = 45208440800.

The previous prime is 124323212413. The next prime is 124323212459. The reversal of 124323212420 is 24212323421.

It is a super-2 number, since 2×124323212420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124323212420.

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 7 ways as a sum of consecutive naturals, for example, 282552536 + ... + 282552975.

It is an arithmetic number, because the mean of its divisors is an integer number (11867215752).

Almost surely, 2^124323212420 is an apocalyptic number.

124323212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124323212420 is an abundant number, since it is smaller than the sum of its proper divisors (160489965628).

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

124323212420 is a wasteful number, since it uses less digits than its factorization.

124323212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565105531 (or 565105529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 124323212420 its reverse (24212323421), we get a palindrome (148535535841).

The spelling of 124323212420 in words is "one hundred twenty-four billion, three hundred twenty-three million, two hundred twelve thousand, four hundred twenty".