2012200212101 has 4 divisors (see below), whose sum is σ = 2016681727500. Its totient is φ = 2007718696704.

The previous prime is 2012200212097. The next prime is 2012200212109. The reversal of 2012200212101 is 1012120022102.

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 668675811076 + 1343524401025 = 817726^2 + 1159105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012200212101 - 2² = 2012200212097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200212109) 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, 2240757026 + ... + 2240757923.

It is an arithmetic number, because the mean of its divisors is an integer number (504170431875).

Almost surely, 2^{2012200212101} is an apocalyptic number.

It is an amenable number.

2012200212101 is a deficient number, since it is larger than the sum of its proper divisors (4481515399).

2012200212101 is an equidigital number, since it uses as much as digits as its factorization.

2012200212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481515398.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012200212101 its reverse (1012120022102), we get a palindrome (3024320234203).

The spelling of 2012200212101 in words is "two trillion, twelve billion, two hundred million, two hundred twelve thousand, one hundred one".