2012212120001 has 4 divisors (see below), whose sum is σ = 2019079738452. Its totient is φ = 2005344501552.

The previous prime is 2012212119937. The next prime is 2012212120033. The reversal of 2012212120001 is 1000212122102.

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 1061314100401 + 950898019600 = 1030201^2 + 975140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012212120001 - 2⁶ = 2012212119937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012212120301) 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, 3433808786 + ... + 3433809371.

It is an arithmetic number, because the mean of its divisors is an integer number (504769934613).

Almost surely, 2^{2012212120001} is an apocalyptic number.

It is an amenable number.

2012212120001 is a deficient number, since it is larger than the sum of its proper divisors (6867618451).

2012212120001 is an equidigital number, since it uses as much as digits as its factorization.

2012212120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867618450.

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

Adding to 2012212120001 its reverse (1000212122102), we get a palindrome (3012424242103).

The spelling of 2012212120001 in words is "two trillion, twelve billion, two hundred twelve million, one hundred twenty thousand, one".