12211012220001 has 32 divisors (see below), whose sum is σ = 18629386380288. Its totient is φ = 6969424630080.

The previous prime is 12211012219999. The next prime is 12211012220027. The reversal of 12211012220001 is 10002221011221.

It is not a de Polignac number, because 12211012220001 - 2¹ = 12211012219999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12211012220081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166278271 + ... + 166351691.

It is an arithmetic number, because the mean of its divisors is an integer number (582168324384).

Almost surely, 2^{12211012220001} is an apocalyptic number.

It is an amenable number.

12211012220001 is a deficient number, since it is larger than the sum of its proper divisors (6418374160287).

12211012220001 is an equidigital number, since it uses as much as digits as its factorization.

12211012220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82741.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12211012220001 its reverse (10002221011221), we get a palindrome (22213233231222).

The spelling of 12211012220001 in words is "twelve trillion, two hundred eleven billion, twelve million, two hundred twenty thousand, one".