21023412202332 has 36 divisors (see below), whose sum is σ = 54856788831936. Its totient is φ = 6781745871360.

The previous prime is 21023412202253. The next prime is 21023412202367. The reversal of 21023412202332 is 23320221432012.

21023412202332 is a `hidden beast` number, since 2 + 10 + 2 + 3 + 412 + 2 + 0 + 233 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 21023412202296 and 21023412202305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9419090373 + ... + 9419092604.

It is an arithmetic number, because the mean of its divisors is an integer number (1523799689776).

Almost surely, 2^{21023412202332} is an apocalyptic number.

It is an amenable number.

21023412202332 is an abundant number, since it is smaller than the sum of its proper divisors (33833376629604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023412202332 is a wasteful number, since it uses less digits than its factorization.

21023412202332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18838183018 (or 18838183013 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21023412202332 its reverse (23320221432012), we get a palindrome (44343633634344).

The spelling of 21023412202332 in words is "twenty-one trillion, twenty-three billion, four hundred twelve million, two hundred two thousand, three hundred thirty-two".