2210321212 has 24 divisors (see below), whose sum is σ = 4220968752. Its totient is φ = 1004390400.

The previous prime is 2210321161. The next prime is 2210321213. The reversal of 2210321212 is 2121230122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210321213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214662 + ... + 224722.

It is an arithmetic number, because the mean of its divisors is an integer number (175873698).

Almost surely, 2^2210321212 is an apocalyptic number.

2210321212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2210321212 is a deficient number, since it is larger than the sum of its proper divisors (2010647540).

2210321212 is a wasteful number, since it uses less digits than its factorization.

2210321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069 (or 15067 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2210321212 is about 47014.0533457816. The cubic root of 2210321212 is about 1302.6221653926.

Adding to 2210321212 its reverse (2121230122), we get a palindrome (4331551334).

The spelling of 2210321212 in words is "two billion, two hundred ten million, three hundred twenty-one thousand, two hundred twelve".