213321200000 has 96 divisors (see below), whose sum is σ = 531186783120. Its totient is φ = 85328320000.

The previous prime is 213321199999. The next prime is 213321200041. The reversal of 213321200000 is 2123312.

It is a happy number.

It is a congruent number.

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, 133349 + ... + 666651.

Almost surely, 2^213321200000 is an apocalyptic number.

213321200000 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 213321200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265593391560).

213321200000 is an abundant number, since it is smaller than the sum of its proper divisors (317865583120).

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

213321200000 is an frugal number, since it uses more digits than its factorization.

213321200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533342 (or 533310 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 213321200000 its reverse (2123312), we get a palindrome (213323323312).

The spelling of 213321200000 in words is "two hundred thirteen billion, three hundred twenty-one million, two hundred thousand".