124311204220 has 48 divisors (see below), whose sum is σ = 298646470080. Its totient is φ = 42578187264.

The previous prime is 124311204211. The next prime is 124311204229. The reversal of 124311204220 is 22402113421.

It is an interprime number because it is at equal distance from previous prime (124311204211) and next prime (124311204229).

It is a junction number, because it is equal to n+sod(n) for n = 124311204191 and 124311204200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124311204229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305725 + ... + 584884.

It is an arithmetic number, because the mean of its divisors is an integer number (6221801460).

Almost surely, 2^124311204220 is an apocalyptic number.

124311204220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124311204220 is an abundant number, since it is smaller than the sum of its proper divisors (174335265860).

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

124311204220 is a wasteful number, since it uses less digits than its factorization.

124311204220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891622 (or 891620 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 124311204220 its reverse (22402113421), we get a palindrome (146713317641).

The spelling of 124311204220 in words is "one hundred twenty-four billion, three hundred eleven million, two hundred four thousand, two hundred twenty".