212220002310 has 32 divisors (see below), whose sum is σ = 509510826720. Its totient is φ = 56571687168.

The previous prime is 212220002303. The next prime is 212220002327. The reversal of 212220002310 is 13200022212.

It is a happy number.

It is a super-2 number, since 2×212220002310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212220002310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184527 + ... + 1351866.

It is an arithmetic number, because the mean of its divisors is an integer number (15922213335).

Almost surely, 2^212220002310 is an apocalyptic number.

212220002310 is an abundant number, since it is smaller than the sum of its proper divisors (297290824410).

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

212220002310 is a wasteful number, since it uses less digits than its factorization.

212220002310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539192.

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

Adding to 212220002310 its reverse (13200022212), we get a palindrome (225420024522).

The spelling of 212220002310 in words is "two hundred twelve billion, two hundred twenty million, two thousand, three hundred ten".