21233100323012 has 24 divisors (see below), whose sum is σ = 39113765006400. Its totient is φ = 10057743439776.

The previous prime is 21233100323011. The next prime is 21233100323047. The reversal of 21233100323012 is 21032300133212.

It is not an unprimeable number, because it can be changed into a prime (21233100323011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26924873 + ... + 27702255.

It is an arithmetic number, because the mean of its divisors is an integer number (1629740208600).

Almost surely, 2^{21233100323012} is an apocalyptic number.

It is an amenable number.

21233100323012 is a deficient number, since it is larger than the sum of its proper divisors (17880664683388).

21233100323012 is a wasteful number, since it uses less digits than its factorization.

21233100323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136795 (or 1136793 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21233100323012 its reverse (21032300133212), we get a palindrome (42265400456224).

The spelling of 21233100323012 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred million, three hundred twenty-three thousand, twelve".