12000000120212 has 24 divisors (see below), whose sum is σ = 22619131563336. Its totient is φ = 5537544029568.

The previous prime is 12000000120211. The next prime is 12000000120223. The reversal of 12000000120212 is 21202100000021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 385236214276 + 11614763905936 = 620674^2 + 3408044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000000120193 and 12000000120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000000120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18798983 + ... + 19426830.

It is an arithmetic number, because the mean of its divisors is an integer number (942463815139).

Almost surely, 2^{12000000120212} is an apocalyptic number.

It is an amenable number.

12000000120212 is a deficient number, since it is larger than the sum of its proper divisors (10619131443124).

12000000120212 is a wasteful number, since it uses less digits than its factorization.

12000000120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38231867 (or 38231865 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000000120212 its reverse (21202100000021), we get a palindrome (33202100120233).

The spelling of 12000000120212 in words is "twelve trillion, one hundred twenty thousand, two hundred twelve".