212002120001 has 16 divisors (see below), whose sum is σ = 243880619520. Its totient is φ = 180525360960.

The previous prime is 212002119977. The next prime is 212002120007. The reversal of 212002120001 is 100021200212.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-212002120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212002120007) 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 15 ways as a sum of consecutive naturals, for example, 553835 + ... + 854831.

It is an arithmetic number, because the mean of its divisors is an integer number (15242538720).

Almost surely, 2^212002120001 is an apocalyptic number.

It is an amenable number.

212002120001 is a deficient number, since it is larger than the sum of its proper divisors (31878499519).

212002120001 is a wasteful number, since it uses less digits than its factorization.

212002120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301664.

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

Adding to 212002120001 its reverse (100021200212), we get a palindrome (312023320213).

The spelling of 212002120001 in words is "two hundred twelve billion, two million, one hundred twenty thousand, one".