12021201222211 has 8 divisors (see below), whose sum is σ = 12704309956800. Its totient is φ = 11343133881000.

The previous prime is 12021201222167. The next prime is 12021201222221. The reversal of 12021201222211 is 11222210212021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021201222211 - 2¹³ = 12021201214019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021201222221) 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, 1260343441 + ... + 1260352978.

It is an arithmetic number, because the mean of its divisors is an integer number (1588038744600).

Almost surely, 2^{12021201222211} is an apocalyptic number.

12021201222211 is a deficient number, since it is larger than the sum of its proper divisors (683108734589).

12021201222211 is a wasteful number, since it uses less digits than its factorization.

12021201222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520696689.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12021201222211 its reverse (11222210212021), we get a palindrome (23243411434232).

The spelling of 12021201222211 in words is "twelve trillion, twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".