211212200104 has 16 divisors (see below), whose sum is σ = 396035169300. Its totient is φ = 105602821632.

The previous prime is 211212200093. The next prime is 211212200107. The reversal of 211212200104 is 401002212112.

211212200104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211138412004 + 73788100 = 459498^2 + 8590^2 .

It is a super-2 number, since 2×211212200104² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212200107) 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 3 ways as a sum of consecutive naturals, for example, 124297 + ... + 661720.

Almost surely, 2^211212200104 is an apocalyptic number.

It is an amenable number.

211212200104 is a deficient number, since it is larger than the sum of its proper divisors (184822969196).

211212200104 is a wasteful number, since it uses less digits than its factorization.

211212200104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819612 (or 819608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211212200104 its reverse (401002212112), we get a palindrome (612214412216).

The spelling of 211212200104 in words is "two hundred eleven billion, two hundred twelve million, two hundred thousand, one hundred four".