124323142221 has 64 divisors (see below), whose sum is σ = 196040966400. Its totient is φ = 77598259200.

The previous prime is 124323142213. The next prime is 124323142241. The reversal of 124323142221 is 122241323421.

124323142221 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 231 + 422 + 2 + 1 = 666.

It is not a de Polignac number, because 124323142221 - 2³ = 124323142213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124323142211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94112241 + ... + 94113561.

It is an arithmetic number, because the mean of its divisors is an integer number (3063140100).

Almost surely, 2^124323142221 is an apocalyptic number.

It is an amenable number.

124323142221 is a deficient number, since it is larger than the sum of its proper divisors (71717824179).

124323142221 is a wasteful number, since it uses less digits than its factorization.

124323142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2261 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 124323142221 its reverse (122241323421), we get a palindrome (246564465642).

The spelling of 124323142221 in words is "one hundred twenty-four billion, three hundred twenty-three million, one hundred forty-two thousand, two hundred twenty-one".