2212123210 has 96 divisors (see below), whose sum is σ = 4618083456. Its totient is φ = 760848000.

The previous prime is 2212123201. The next prime is 2212123217. The reversal of 2212123210 is 123212122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2212123217) 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, 2810437 + ... + 2811223.

It is an arithmetic number, because the mean of its divisors is an integer number (48105036).

Almost surely, 2^2212123210 is an apocalyptic number.

2212123210 is an abundant number, since it is smaller than the sum of its proper divisors (2405960246).

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

2212123210 is a wasteful number, since it uses less digits than its factorization.

2212123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 929 counting only the distinct ones).

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

The square root of 2212123210 is about 47033.2139025179. The cubic root of 2212123210 is about 1302.9760634167.

Adding to 2212123210 its reverse (123212122), we get a palindrome (2335335332).

It can be divided in two parts, 221212 and 3210, that added together give a palindrome (224422).

The spelling of 2212123210 in words is "two billion, two hundred twelve million, one hundred twenty-three thousand, two hundred ten".