21341212232 has 16 divisors (see below), whose sum is σ = 40016592000. Its totient is φ = 10670121040.

The previous prime is 21341212213. The next prime is 21341212271. The reversal of 21341212232 is 23221214312.

It is a junction number, because it is equal to n+sod(n) for n = 21341212198 and 21341212207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184769 + ... + 277167.

It is an arithmetic number, because the mean of its divisors is an integer number (2501037000).

Almost surely, 2^21341212232 is an apocalyptic number.

It is an amenable number.

21341212232 is a deficient number, since it is larger than the sum of its proper divisors (18675379768).

21341212232 is a wasteful number, since it uses less digits than its factorization.

21341212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121276 (or 121272 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 21341212232 its reverse (23221214312), we get a palindrome (44562426544).

The spelling of 21341212232 in words is "twenty-one billion, three hundred forty-one million, two hundred twelve thousand, two hundred thirty-two".