124003231220 has 24 divisors (see below), whose sum is σ = 284080130208. Its totient is φ = 45092084000.

The previous prime is 124003231153. The next prime is 124003231259. The reversal of 124003231220 is 22132300421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124003231192 and 124003231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281825306 + ... + 281825745.

It is an arithmetic number, because the mean of its divisors is an integer number (11836672092).

Almost surely, 2^124003231220 is an apocalyptic number.

124003231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124003231220 is an abundant number, since it is smaller than the sum of its proper divisors (160076898988).

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

124003231220 is a wasteful number, since it uses less digits than its factorization.

124003231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563651071 (or 563651069 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 124003231220 its reverse (22132300421), we get a palindrome (146135531641).

The spelling of 124003231220 in words is "one hundred twenty-four billion, three million, two hundred thirty-one thousand, two hundred twenty".