212012112112011 has 16 divisors (see below), whose sum is σ = 314095843649920. Its totient is φ = 141339686506920.

The previous prime is 212012112111941. The next prime is 212012112112013. The reversal of 212012112112011 is 110211211210212.

It is a happy number.

212012112112011 is a `hidden beast` number, since 21 + 20 + 1 + 211 + 211 + 201 + 1 = 666.

It is not a de Polignac number, because 212012112112011 - 2⁷ = 212012112111883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012112112013) 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, 45561625 + ... + 49998858.

It is an arithmetic number, because the mean of its divisors is an integer number (19630990228120).

Almost surely, 2^{212012112112011} is an apocalyptic number.

212012112112011 is a deficient number, since it is larger than the sum of its proper divisors (102083731537909).

212012112112011 is an equidigital number, since it uses as much as digits as its factorization.

212012112112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95642663 (or 95642657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212012112112011 its reverse (110211211210212), we get a palindrome (322223323322223).

The spelling of 212012112112011 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, eleven".