20012200001211 has 128 divisors (see below), whose sum is σ = 30574734336000. Its totient is φ = 11535124930560.

The previous prime is 20012200001201. The next prime is 20012200001237. The reversal of 20012200001211 is 11210000221002.

It is not a de Polignac number, because 20012200001211 - 2⁵ = 20012200001179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012200001201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11223891426 + ... + 11223893208.

It is an arithmetic number, because the mean of its divisors is an integer number (238865112000).

Almost surely, 2^{20012200001211} is an apocalyptic number.

20012200001211 is a deficient number, since it is larger than the sum of its proper divisors (10562534334789).

20012200001211 is a wasteful number, since it uses less digits than its factorization.

20012200001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20012200001211 its reverse (11210000221002), we get a palindrome (31222200222213).

The spelling of 20012200001211 in words is "twenty trillion, twelve billion, two hundred million, one thousand, two hundred eleven".