12001000220212 has 6 divisors (see below), whose sum is σ = 21001750385378. Its totient is φ = 6000500110104.

The previous prime is 12001000220179. The next prime is 12001000220221. The reversal of 12001000220212 is 21202200010021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7011289677456 + 4989710542756 = 2647884^2 + 2233766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001000220192 and 12001000220201.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1500125027523 + ... + 1500125027530.

Almost surely, 2^{12001000220212} is an apocalyptic number.

It is an amenable number.

12001000220212 is a deficient number, since it is larger than the sum of its proper divisors (9000750165166).

12001000220212 is a wasteful number, since it uses less digits than its factorization.

12001000220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000250055057 (or 3000250055055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12001000220212 its reverse (21202200010021), we get a palindrome (33203200230233).

The spelling of 12001000220212 in words is "twelve trillion, one billion, two hundred twenty thousand, two hundred twelve".