212200121211212 has 12 divisors (see below), whose sum is σ = 371350549594416. Its totient is φ = 106099964184240.

The previous prime is 212200121211167. The next prime is 212200121211217. The reversal of 212200121211212 is 212112121002212.

It is not an unprimeable number, because it can be changed into a prime (212200121211217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19035143 + ... + 28048830.

It is an arithmetic number, because the mean of its divisors is an integer number (30945879132868).

Almost surely, 2^{212200121211212} is an apocalyptic number.

It is an amenable number.

212200121211212 is a deficient number, since it is larger than the sum of its proper divisors (159150428383204).

212200121211212 is a wasteful number, since it uses less digits than its factorization.

212200121211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48210688 (or 48210686 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212200121211212 its reverse (212112121002212), we get a palindrome (424312242213424).

The spelling of 212200121211212 in words is "two hundred twelve trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twelve".