210012220001 has 32 divisors (see below), whose sum is σ = 226005147648. Its totient is φ = 194691594240.

The previous prime is 210012219997. The next prime is 210012220007. The reversal of 210012220001 is 100022210012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210012220001 - 2² = 210012219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012220007) 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 31 ways as a sum of consecutive naturals, for example, 78157280 + ... + 78159966.

It is an arithmetic number, because the mean of its divisors is an integer number (7062660864).

Almost surely, 2^210012220001 is an apocalyptic number.

It is an amenable number.

210012220001 is a deficient number, since it is larger than the sum of its proper divisors (15992927647).

210012220001 is a wasteful number, since it uses less digits than its factorization.

210012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210012220001 its reverse (100022210012), we get a palindrome (310034430013).

The spelling of 210012220001 in words is "two hundred ten billion, twelve million, two hundred twenty thousand, one".