21233202023200 has 72 divisors (see below), whose sum is σ = 51958680095700. Its totient is φ = 8473106611200.

The previous prime is 21233202023123. The next prime is 21233202023221. The reversal of 21233202023200 is 232020233212.

It can be written as a sum of positive squares in 6 ways, for example, as 88691987344 + 21144510035856 = 297812^2 + 4598316^2 .

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, 31185175 + ... + 31858774.

Almost surely, 2^{21233202023200} is an apocalyptic number.

21233202023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233202023200 is an abundant number, since it is smaller than the sum of its proper divisors (30725478072500).

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

21233202023200 is a wasteful number, since it uses less digits than its factorization.

21233202023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63044390 (or 63044377 counting only the distinct ones).

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

Adding to 21233202023200 its reverse (232020233212), we get a palindrome (21465222256412).

The spelling of 21233202023200 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred two million, twenty-three thousand, two hundred".