21230200232204 has 12 divisors (see below), whose sum is σ = 38433983179200. Its totient is φ = 10249062181008.

The previous prime is 21230200232203. The next prime is 21230200232221. The reversal of 21230200232204 is 40223200203212.

It is a self number, because there is not a number n which added to its sum of digits gives 21230200232204.

It is not an unprimeable number, because it can be changed into a prime (21230200232203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91509483644 + ... + 91509483875.

It is an arithmetic number, because the mean of its divisors is an integer number (3202831931600).

Almost surely, 2^{21230200232204} is an apocalyptic number.

It is an amenable number.

21230200232204 is a deficient number, since it is larger than the sum of its proper divisors (17203782946996).

21230200232204 is a wasteful number, since it uses less digits than its factorization.

21230200232204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183018967552 (or 183018967550 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21230200232204 its reverse (40223200203212), we get a palindrome (61453400435416).

The spelling of 21230200232204 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, two hundred thirty-two thousand, two hundred four".