21434212224232 has 32 divisors (see below), whose sum is σ = 40303989187200. Its totient is φ = 10686483270144.

The previous prime is 21434212224221. The next prime is 21434212224239. The reversal of 21434212224232 is 23242221243412.

It is not an unprimeable number, because it can be changed into a prime (21434212224239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169057519 + ... + 169184257.

It is an arithmetic number, because the mean of its divisors is an integer number (1259499662100).

Almost surely, 2^{21434212224232} is an apocalyptic number.

It is an amenable number.

21434212224232 is a deficient number, since it is larger than the sum of its proper divisors (18869776962968).

21434212224232 is a wasteful number, since it uses less digits than its factorization.

21434212224232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186985 (or 186981 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 21434212224232 its reverse (23242221243412), we get a palindrome (44676433467644).

The spelling of 21434212224232 in words is "twenty-one trillion, four hundred thirty-four billion, two hundred twelve million, two hundred twenty-four thousand, two hundred thirty-two".