212120331200011 has 4 divisors (see below), whose sum is σ = 228437279753872. Its totient is φ = 195803382646152.

The previous prime is 212120331199957. The next prime is 212120331200039. The reversal of 212120331200011 is 110002133021212.

212120331200011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212120331200011 - 2¹¹ = 212120331197963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212120331200311) 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, 8158474276911 + ... + 8158474276936.

It is an arithmetic number, because the mean of its divisors is an integer number (57109319938468).

Almost surely, 2^{212120331200011} is an apocalyptic number.

212120331200011 is a deficient number, since it is larger than the sum of its proper divisors (16316948553861).

212120331200011 is a wasteful number, since it uses less digits than its factorization.

212120331200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316948553860.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212120331200011 its reverse (110002133021212), we get a palindrome (322122464221223).

The spelling of 212120331200011 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred thirty-one million, two hundred thousand, eleven".