210220002312 has 64 divisors (see below), whose sum is σ = 553713408000. Its totient is φ = 66324919104.

The previous prime is 210220002301. The next prime is 210220002319. The reversal of 210220002312 is 213200022012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210220002291 and 210220002300.

It is not an unprimeable number, because it can be changed into a prime (210220002319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293989 + ... + 711947.

It is an arithmetic number, because the mean of its divisors is an integer number (8651772000).

Almost surely, 2^210220002312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220002312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276856704000).

210220002312 is an abundant number, since it is smaller than the sum of its proper divisors (343493405688).

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

210220002312 is a wasteful number, since it uses less digits than its factorization.

210220002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419090 (or 419086 counting only the distinct ones).

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

Adding to 210220002312 its reverse (213200022012), we get a palindrome (423420024324).

The spelling of 210220002312 in words is "two hundred ten billion, two hundred twenty million, two thousand, three hundred twelve".