210002312322 has 96 divisors (see below), whose sum is σ = 505859777280. Its totient is φ = 62430600960.

The previous prime is 210002312321. The next prime is 210002312389. The reversal of 210002312322 is 223213200012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210002312295 and 210002312304.

It is not an unprimeable number, because it can be changed into a prime (210002312321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2413038 + ... + 2498550.

It is an arithmetic number, because the mean of its divisors is an integer number (5269372680).

Almost surely, 2^210002312322 is an apocalyptic number.

210002312322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210002312322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252929888640).

210002312322 is an abundant number, since it is smaller than the sum of its proper divisors (295857464958).

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

210002312322 is a wasteful number, since it uses less digits than its factorization.

210002312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85768 (or 85765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210002312322 its reverse (223213200012), we get a palindrome (433215512334).

The spelling of 210002312322 in words is "two hundred ten billion, two million, three hundred twelve thousand, three hundred twenty-two".