212012121102001 has 32 divisors (see below), whose sum is σ = 245875420010880. Its totient is φ = 180781866432000.

The previous prime is 212012121101939. The next prime is 212012121102059. The reversal of 212012121102001 is 100201121210212.

It is a cyclic number.

It is not a de Polignac number, because 212012121102001 - 2¹¹ = 212012121099953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212012121102701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1085179341 + ... + 1085374693.

It is an arithmetic number, because the mean of its divisors is an integer number (7683606875340).

Almost surely, 2^{212012121102001} is an apocalyptic number.

It is an amenable number.

212012121102001 is a deficient number, since it is larger than the sum of its proper divisors (33863298908879).

212012121102001 is a wasteful number, since it uses less digits than its factorization.

212012121102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246897.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212012121102001 its reverse (100201121210212), we get a palindrome (312213242312213).

The spelling of 212012121102001 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-one million, one hundred two thousand, one".