21233231012010 has 64 divisors (see below), whose sum is σ = 51835220300160. Its totient is φ = 5564964437760.

The previous prime is 21233231011981. The next prime is 21233231012027. The reversal of 21233231012010 is 1021013233212.

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 31 ways as a sum of consecutive naturals, for example, 6468444 + ... + 9181896.

It is an arithmetic number, because the mean of its divisors is an integer number (809925317190).

Almost surely, 2^{21233231012010} is an apocalyptic number.

21233231012010 is an abundant number, since it is smaller than the sum of its proper divisors (30601989288150).

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

21233231012010 is a wasteful number, since it uses less digits than its factorization.

21233231012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717943.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21233231012010 its reverse (1021013233212), we get a palindrome (22254244245222).

The spelling of 21233231012010 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred thirty-one million, twelve thousand, ten".