124331213421 has 12 divisors (see below), whose sum is σ = 182118961440. Its totient is φ = 81720045960.

The previous prime is 124331213401. The next prime is 124331213437. The reversal of 124331213421 is 124312133421.

124331213421 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 312 + 1 + 342 + 1 = 666.

It is not a de Polignac number, because 124331213421 - 2¹⁷ = 124331082349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124331213401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97285131 + ... + 97286408.

It is an arithmetic number, because the mean of its divisors is an integer number (15176580120).

Almost surely, 2^124331213421 is an apocalyptic number.

It is an amenable number.

124331213421 is a deficient number, since it is larger than the sum of its proper divisors (57787748019).

124331213421 is a wasteful number, since it uses less digits than its factorization.

124331213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194571616 (or 194571613 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 124331213421 its reverse (124312133421), we get a palindrome (248643346842).

The spelling of 124331213421 in words is "one hundred twenty-four billion, three hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-one".