1212210213 has 8 divisors (see below), whose sum is σ = 1616448288. Its totient is φ = 808056144.

The previous prime is 1212210173. The next prime is 1212210247. The reversal of 1212210213 is 3120122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212210213 - 2⁶ = 1212210149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212210192 and 1212210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31231 + ... + 58307.

It is an arithmetic number, because the mean of its divisors is an integer number (202056036).

Almost surely, 2^1212210213 is an apocalyptic number.

It is an amenable number.

1212210213 is a deficient number, since it is larger than the sum of its proper divisors (404238075).

1212210213 is a wasteful number, since it uses less digits than its factorization.

1212210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42003.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1212210213 is about 34816.8093454871. The cubic root of 1212210213 is about 1066.2506597266.

Adding to 1212210213 its reverse (3120122121), we get a palindrome (4332332334).

The spelling of 1212210213 in words is "one billion, two hundred twelve million, two hundred ten thousand, two hundred thirteen".