21232200210000 has 400 divisors, whose sum is σ = 73871981848896. Its totient is φ = 5222191104000.

The previous prime is 21232200209977. The next prime is 21232200210017. The reversal of 21232200210000 is 1200223212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 500348784 + ... + 500391216.

Almost surely, 2^{21232200210000} is an apocalyptic number.

21232200210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21232200210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36935990924448).

21232200210000 is an abundant number, since it is smaller than the sum of its proper divisors (52639781638896).

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

21232200210000 is a wasteful number, since it uses less digits than its factorization.

21232200210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43760 (or 43739 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21232200210000 its reverse (1200223212), we get a palindrome (21233400433212).

The spelling of 21232200210000 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred million, two hundred ten thousand".