21233233320000 has 280 divisors, whose sum is σ = 75602185006656. Its totient is φ = 5226641664000.

The previous prime is 21233233319957. The next prime is 21233233320049. The reversal of 21233233320000 is 2333233212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5245524 + ... + 8365523.

Almost surely, 2^{21233233320000} is an apocalyptic number.

21233233320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233233320000 is an abundant number, since it is smaller than the sum of its proper divisors (54368951686656).

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

21233233320000 is a wasteful number, since it uses less digits than its factorization.

21233233320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611095 (or 13611070 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21233233320000 its reverse (2333233212), we get a palindrome (21235566553212).

The spelling of 21233233320000 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred thirty-three million, three hundred twenty thousand".