1212012201212 has 12 divisors (see below), whose sum is σ = 2121476246736. Its totient is φ = 605876130720.

The previous prime is 1212012201187. The next prime is 1212012201233. The reversal of 1212012201212 is 2121022102121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32471489 + ... + 32508792.

It is an arithmetic number, because the mean of its divisors is an integer number (176789687228).

Almost surely, 2^{1212012201212} is an apocalyptic number.

It is an amenable number.

1212012201212 is a deficient number, since it is larger than the sum of its proper divisors (909464045524).

1212012201212 is a wasteful number, since it uses less digits than its factorization.

1212012201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64984948 (or 64984946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212012201212 its reverse (2121022102121), we get a palindrome (3333034303333).

Subtracting 1212012201212 from its reverse (2121022102121), we obtain a palindrome (909009900909).

The spelling of 1212012201212 in words is "one trillion, two hundred twelve billion, twelve million, two hundred one thousand, two hundred twelve".