124220242220 has 48 divisors (see below), whose sum is σ = 262343329248. Its totient is φ = 49406837760.

The previous prime is 124220242171. The next prime is 124220242337. The reversal of 124220242220 is 22242022421.

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, 2489315 + ... + 2538725.

It is an arithmetic number, because the mean of its divisors is an integer number (5465486026).

Almost surely, 2^124220242220 is an apocalyptic number.

124220242220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124220242220 is an abundant number, since it is smaller than the sum of its proper divisors (138123087028).

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

124220242220 is a wasteful number, since it uses less digits than its factorization.

124220242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50130 (or 50128 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 124220242220 its reverse (22242022421), we get a palindrome (146462264641).

The spelling of 124220242220 in words is "one hundred twenty-four billion, two hundred twenty million, two hundred forty-two thousand, two hundred twenty".