21334124124 has 18 divisors (see below), whose sum is σ = 53927924960. Its totient is φ = 7111374696.

The previous prime is 21334124117. The next prime is 21334124159. The reversal of 21334124124 is 42142143312.

21334124124 is a `hidden beast` number, since 213 + 34 + 1 + 2 + 412 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296307244 + ... + 296307315.

Almost surely, 2^21334124124 is an apocalyptic number.

It is an amenable number.

21334124124 is an abundant number, since it is smaller than the sum of its proper divisors (32593800836).

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

21334124124 is a wasteful number, since it uses less digits than its factorization.

21334124124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592614569 (or 592614564 counting only the distinct ones).

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

Adding to 21334124124 its reverse (42142143312), we get a palindrome (63476267436).

The spelling of 21334124124 in words is "twenty-one billion, three hundred thirty-four million, one hundred twenty-four thousand, one hundred twenty-four".