1212210110211 has 8 divisors (see below), whose sum is σ = 1616294521104. Its totient is φ = 808132886400.

The previous prime is 1212210110197. The next prime is 1212210110239. The reversal of 1212210110211 is 1120110122121.

It is a happy number.

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

It is not a de Polignac number, because 1212210110211 - 2²⁹ = 1211673239299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212210110611) 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, 1390066 + ... + 2087271.

It is an arithmetic number, because the mean of its divisors is an integer number (202036815138).

Almost surely, 2^{1212210110211} is an apocalyptic number.

1212210110211 is a deficient number, since it is larger than the sum of its proper divisors (404084410893).

1212210110211 is a wasteful number, since it uses less digits than its factorization.

1212210110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593541.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1212210110211 its reverse (1120110122121), we get a palindrome (2332320232332).

The spelling of 1212210110211 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred ten thousand, two hundred eleven".