202222001212001 has 4 divisors (see below), whose sum is σ = 202247025598404. Its totient is φ = 202196976825600.

The previous prime is 202222001211991. The next prime is 202222001212169. The reversal of 202222001212001 is 100212100222202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108701496852001 + 93520504360000 = 10426001^2 + 9670600^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222001212001 - 2²² = 202221997017697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222001217001) 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, 12512181080 + ... + 12512197241.

It is an arithmetic number, because the mean of its divisors is an integer number (50561756399601).

Almost surely, 2^{202222001212001} is an apocalyptic number.

It is an amenable number.

202222001212001 is a deficient number, since it is larger than the sum of its proper divisors (25024386403).

202222001212001 is an equidigital number, since it uses as much as digits as its factorization.

202222001212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024386402.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202222001212001 its reverse (100212100222202), we get a palindrome (302434101434203).

The spelling of 202222001212001 in words is "two hundred two trillion, two hundred twenty-two billion, one million, two hundred twelve thousand, one".