21234200332 has 12 divisors (see below), whose sum is σ = 37225857816. Its totient is φ = 10598240960.

The previous prime is 21234200297. The next prime is 21234200341. The reversal of 21234200332 is 23300243212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712269 + ... + 4716772.

It is an arithmetic number, because the mean of its divisors is an integer number (3102154818).

Almost surely, 2^21234200332 is an apocalyptic number.

It is an amenable number.

21234200332 is a deficient number, since it is larger than the sum of its proper divisors (15991657484).

21234200332 is a wasteful number, since it uses less digits than its factorization.

21234200332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429608 (or 9429606 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21234200332 its reverse (23300243212), we get a palindrome (44534443544).

The spelling of 21234200332 in words is "twenty-one billion, two hundred thirty-four million, two hundred thousand, three hundred thirty-two".