2210121212 has 24 divisors (see below), whose sum is σ = 4171239072. Its totient is φ = 1018584000.

The previous prime is 2210121203. The next prime is 2210121217. The reversal of 2210121212 is 2121210122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137 + ... + 66767.

It is an arithmetic number, because the mean of its divisors is an integer number (173801628).

Almost surely, 2^2210121212 is an apocalyptic number.

It is an amenable number.

2210121212 is a deficient number, since it is larger than the sum of its proper divisors (1961117860).

2210121212 is a wasteful number, since it uses less digits than its factorization.

2210121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61349 (or 61347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2210121212 is about 47011.9262740850. The cubic root of 2210121212 is about 1302.5828751317.

Adding to 2210121212 its reverse (2121210122), we get a palindrome (4331331334).

The spelling of 2210121212 in words is "two billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".