21223200212332 has 12 divisors (see below), whose sum is σ = 37140633212760. Its totient is φ = 10611590722976.

The previous prime is 21223200212323. The next prime is 21223200212393. The reversal of 21223200212332 is 23321200232212.

It is a junction number, because it is equal to n+sod(n) for n = 21223200212297 and 21223200212306.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6213144 + ... + 9002752.

It is an arithmetic number, because the mean of its divisors is an integer number (3095052767730).

Almost surely, 2^{21223200212332} is an apocalyptic number.

It is an amenable number.

21223200212332 is a deficient number, since it is larger than the sum of its proper divisors (15917433000428).

21223200212332 is a wasteful number, since it uses less digits than its factorization.

21223200212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691600 (or 4691598 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21223200212332 its reverse (23321200232212), we get a palindrome (44544400444544).

The spelling of 21223200212332 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred million, two hundred twelve thousand, three hundred thirty-two".