12001200212 has 6 divisors (see below), whose sum is σ = 21002100378. Its totient is φ = 6000600104.

The previous prime is 12001200209. The next prime is 12001200217. The reversal of 12001200212 is 21200210021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9109557136 + 2891643076 = 95444^2 + 53774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001200193 and 12001200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001200217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500150023 + ... + 1500150030.

It is an arithmetic number, because the mean of its divisors is an integer number (3500350063).

Almost surely, 2^12001200212 is an apocalyptic number.

It is an amenable number.

12001200212 is a deficient number, since it is larger than the sum of its proper divisors (9000900166).

12001200212 is a wasteful number, since it uses less digits than its factorization.

12001200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000300057 (or 3000300055 counting only the distinct ones).

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

Adding to 12001200212 its reverse (21200210021), we get a palindrome (33201410233).

The spelling of 12001200212 in words is "twelve billion, one million, two hundred thousand, two hundred twelve".