212210211320 has 16 divisors (see below), whose sum is σ = 477472975560. Its totient is φ = 84884084512.

The previous prime is 212210211307. The next prime is 212210211341. The reversal of 212210211320 is 23112012212.

It is a super-2 number, since 2×212210211320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652627602 + ... + 2652627681.

Almost surely, 2^212210211320 is an apocalyptic number.

212210211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210211320 is an abundant number, since it is smaller than the sum of its proper divisors (265262764240).

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

212210211320 is a wasteful number, since it uses less digits than its factorization.

212210211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305255294 (or 5305255290 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212210211320 its reverse (23112012212), we get a palindrome (235322223532).

The spelling of 212210211320 in words is "two hundred twelve billion, two hundred ten million, two hundred eleven thousand, three hundred twenty".