21202210012000 has 48 divisors (see below), whose sum is σ = 52093830009312. Its totient is φ = 8480884003200.

The previous prime is 21202210011977. The next prime is 21202210012007. The reversal of 21202210012000 is 21001220212.

It is a happy number.

21202210012000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202210012007) 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, 2650272252 + ... + 2650280251.

It is an arithmetic number, because the mean of its divisors is an integer number (1085288125194).

Almost surely, 2^{21202210012000} is an apocalyptic number.

21202210012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202210012000 is an abundant number, since it is smaller than the sum of its proper divisors (30891619997312).

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

21202210012000 is an equidigital number, since it uses as much as digits as its factorization.

21202210012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300552528 (or 5300552510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202210012000 its reverse (21001220212), we get a palindrome (21223211232212).

The spelling of 21202210012000 in words is "twenty-one trillion, two hundred two billion, two hundred ten million, twelve thousand".