124010023221 has 20 divisors (see below), whose sum is σ = 211713761952. Its totient is φ = 70862870088.

The previous prime is 124010023217. The next prime is 124010023229. The reversal of 124010023221 is 122320010421.

It is a happy number.

124010023221 is a `hidden beast` number, since 1 + 240 + 100 + 2 + 322 + 1 = 666.

It is not a de Polignac number, because 124010023221 - 2² = 124010023217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124010023194 and 124010023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124010023229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109355715 + ... + 109356848.

Almost surely, 2^124010023221 is an apocalyptic number.

It is an amenable number.

124010023221 is a deficient number, since it is larger than the sum of its proper divisors (87703738731).

124010023221 is an equidigital number, since it uses as much as digits as its factorization.

124010023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218712582 (or 218712573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 124010023221 its reverse (122320010421), we get a palindrome (246330033642).

The spelling of 124010023221 in words is "one hundred twenty-four billion, ten million, twenty-three thousand, two hundred twenty-one".