12210202212011 has 4 divisors (see below), whose sum is σ = 12494160403032. Its totient is φ = 11926244020992.

The previous prime is 12210202212001. The next prime is 12210202212071. The reversal of 12210202212011 is 11021220201221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210202212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210202212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141979095446 + ... + 141979095531.

It is an arithmetic number, because the mean of its divisors is an integer number (3123540100758).

Almost surely, 2^{12210202212011} is an apocalyptic number.

12210202212011 is a deficient number, since it is larger than the sum of its proper divisors (283958191021).

12210202212011 is an equidigital number, since it uses as much as digits as its factorization.

12210202212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283958191020.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210202212011 its reverse (11021220201221), we get a palindrome (23231422413232).

The spelling of 12210202212011 in words is "twelve trillion, two hundred ten billion, two hundred two million, two hundred twelve thousand, eleven".