12012202211212 has 12 divisors (see below), whose sum is σ = 24024404422480. Its totient is φ = 5148086661936.

The previous prime is 12012202211183. The next prime is 12012202211231. The reversal of 12012202211212 is 21211220221021.

12012202211212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012202211212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214503610887 + ... + 214503610942.

Almost surely, 2^{12012202211212} is an apocalyptic number.

It is an amenable number.

12012202211212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012202211212 is a wasteful number, since it uses less digits than its factorization.

12012202211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429007221840 (or 429007221838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12012202211212 its reverse (21211220221021), we get a palindrome (33223422432233).

The spelling of 12012202211212 in words is "twelve trillion, twelve billion, two hundred two million, two hundred eleven thousand, two hundred twelve".