1220002011212 has 12 divisors (see below), whose sum is σ = 2151301257336. Its totient is φ = 605344509120.

The previous prime is 1220002011203. The next prime is 1220002011257. The reversal of 1220002011212 is 2121102000221.

It is a super-2 number, since 2×1220002011212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164123533 + ... + 1164124580.

It is an arithmetic number, because the mean of its divisors is an integer number (179275104778).

Almost surely, 2^{1220002011212} is an apocalyptic number.

It is an amenable number.

1220002011212 is a deficient number, since it is larger than the sum of its proper divisors (931299246124).

1220002011212 is a wasteful number, since it uses less digits than its factorization.

1220002011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328248248 (or 2328248246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220002011212 its reverse (2121102000221), we get a palindrome (3341104011433).

The spelling of 1220002011212 in words is "one trillion, two hundred twenty billion, two million, eleven thousand, two hundred twelve".