12021202201211 has 16 divisors (see below), whose sum is σ = 13777338359808. Its totient is φ = 10274782963200.

The previous prime is 12021202201207. The next prime is 12021202201241. The reversal of 12021202201211 is 11210220212021.

It is not a de Polignac number, because 12021202201211 - 2² = 12021202201207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021202201211.

It is not an unprimeable number, because it can be changed into a prime (12021202201241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12098651 + ... + 13054491.

It is an arithmetic number, because the mean of its divisors is an integer number (861083647488).

Almost surely, 2^{12021202201211} is an apocalyptic number.

12021202201211 is a deficient number, since it is larger than the sum of its proper divisors (1756136158597).

12021202201211 is an equidigital number, since it uses as much as digits as its factorization.

12021202201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960922.

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

Adding to 12021202201211 its reverse (11210220212021), we get a palindrome (23231422413232).

The spelling of 12021202201211 in words is "twelve trillion, twenty-one billion, two hundred two million, two hundred one thousand, two hundred eleven".