2321210203216 has 20 divisors (see below), whose sum is σ = 4734047125600. Its totient is φ = 1099520622432.

The previous prime is 2321210203183. The next prime is 2321210203259. The reversal of 2321210203216 is 6123020121232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3817779636 + ... + 3817780243.

It is an arithmetic number, because the mean of its divisors is an integer number (236702356280).

Almost surely, 2^{2321210203216} is an apocalyptic number.

It is an amenable number.

2321210203216 is an abundant number, since it is smaller than the sum of its proper divisors (2412836922384).

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

2321210203216 is a wasteful number, since it uses less digits than its factorization.

2321210203216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635559906 (or 7635559900 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2321210203216 its reverse (6123020121232), we get a palindrome (8444230324448).

The spelling of 2321210203216 in words is "two trillion, three hundred twenty-one billion, two hundred ten million, two hundred three thousand, two hundred sixteen".