211200112001212 has 12 divisors (see below), whose sum is σ = 378614834929296. Its totient is φ = 103024444878560.

The previous prime is 211200112001183. The next prime is 211200112001213. The reversal of 211200112001212 is 212100211002112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200112001213) 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, 643902780328 + ... + 643902780655.

It is an arithmetic number, because the mean of its divisors is an integer number (31551236244108).

Almost surely, 2^{211200112001212} is an apocalyptic number.

It is an amenable number.

211200112001212 is a deficient number, since it is larger than the sum of its proper divisors (167414722928084).

211200112001212 is a wasteful number, since it uses less digits than its factorization.

211200112001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287805561028 (or 1287805561026 counting only the distinct ones).

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

Adding to 211200112001212 its reverse (212100211002112), we get a palindrome (423300323003324).

The spelling of 211200112001212 in words is "two hundred eleven trillion, two hundred billion, one hundred twelve million, one thousand, two hundred twelve".