212012112011 has 8 divisors (see below), whose sum is σ = 245618729184. Its totient is φ = 179235288000.

The previous prime is 212012112001. The next prime is 212012112017. The reversal of 212012112011 is 110211210212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212012112011 - 2²² = 212007917707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012112017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207447740 + ... + 207448761.

It is an arithmetic number, because the mean of its divisors is an integer number (30702341148).

Almost surely, 2^212012112011 is an apocalyptic number.

212012112011 is a deficient number, since it is larger than the sum of its proper divisors (33606617173).

212012112011 is an equidigital number, since it uses as much as digits as its factorization.

212012112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414896581.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212012112011 its reverse (110211210212), we get a palindrome (322223322223).

The spelling of 212012112011 in words is "two hundred twelve billion, twelve million, one hundred twelve thousand, eleven".