21040124332234 has 8 divisors (see below), whose sum is σ = 36068784569568. Its totient is φ = 9017196142380.

The previous prime is 21040124332163. The next prime is 21040124332243. The reversal of 21040124332234 is 43223342104012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21040124332234² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21040124332196 and 21040124332205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751433011852 + ... + 751433011879.

It is an arithmetic number, because the mean of its divisors is an integer number (4508598071196).

Almost surely, 2^{21040124332234} is an apocalyptic number.

21040124332234 is a deficient number, since it is larger than the sum of its proper divisors (15028660237334).

21040124332234 is a wasteful number, since it uses less digits than its factorization.

21040124332234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502866023740.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21040124332234 its reverse (43223342104012), we get a palindrome (64263466436246).

The spelling of 21040124332234 in words is "twenty-one trillion, forty billion, one hundred twenty-four million, three hundred thirty-two thousand, two hundred thirty-four".