12220010220001 has 4 divisors (see below), whose sum is σ = 12220018080004. Its totient is φ = 12220002360000.

The previous prime is 12220010219983. The next prime is 12220010220017. The reversal of 12220010220001 is 10002201002221.

It is a happy number.

12220010220001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11673674888976 + 546335331025 = 3416676^2 + 739145^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220010220001 - 2¹¹ = 12220010217953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220010220031) 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, 728700 + ... + 4997101.

It is an arithmetic number, because the mean of its divisors is an integer number (3055004520001).

Almost surely, 2^{12220010220001} is an apocalyptic number.

It is an amenable number.

12220010220001 is a deficient number, since it is larger than the sum of its proper divisors (7860003).

12220010220001 is an equidigital number, since it uses as much as digits as its factorization.

12220010220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860002.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12220010220001 its reverse (10002201002221), we get a palindrome (22222211222222).

The spelling of 12220010220001 in words is "twelve trillion, two hundred twenty billion, ten million, two hundred twenty thousand, one".