212012120211011 has 16 divisors (see below), whose sum is σ = 224607301359840. Its totient is φ = 199430731307520.

The previous prime is 212012120211007. The next prime is 212012120211049. The reversal of 212012120211011 is 110112021210212.

It is a cyclic number.

It is not a de Polignac number, because 212012120211011 - 2² = 212012120211007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012120211811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245825801 + ... + 246686741.

It is an arithmetic number, because the mean of its divisors is an integer number (14037956334990).

Almost surely, 2^{212012120211011} is an apocalyptic number.

212012120211011 is a deficient number, since it is larger than the sum of its proper divisors (12595181148829).

212012120211011 is a wasteful number, since it uses less digits than its factorization.

212012120211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868934.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212012120211011 its reverse (110112021210212), we get a palindrome (322124141421223).

The spelling of 212012120211011 in words is "two hundred twelve trillion, twelve billion, one hundred twenty million, two hundred eleven thousand, eleven".