12220022100001 has 8 divisors (see below), whose sum is σ = 12468149366760. Its totient is φ = 11972545233792.

The previous prime is 12220022099993. The next prime is 12220022100007. The reversal of 12220022100001 is 10000122002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1953118051600 + 10266904048401 = 1397540^2 + 3204201^2 .

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 12220022100001 - 2³ = 12220022099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220022100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162562180 + ... + 162637333.

It is an arithmetic number, because the mean of its divisors is an integer number (1558518670845).

Almost surely, 2^{12220022100001} is an apocalyptic number.

It is an amenable number.

12220022100001 is a deficient number, since it is larger than the sum of its proper divisors (248127266759).

12220022100001 is an equidigital number, since it uses as much as digits as its factorization.

12220022100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325200275.

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

Adding to 12220022100001 its reverse (10000122002221), we get a palindrome (22220144102222).

The spelling of 12220022100001 in words is "twelve trillion, two hundred twenty billion, twenty-two million, one hundred thousand, one".