1002200001212 has 24 divisors (see below), whose sum is σ = 1770250371120. Its totient is φ = 496429082240.

The previous prime is 1002200001181. The next prime is 1002200001263. The reversal of 1002200001212 is 2121000022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002200001193 and 1002200001202.

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 in 7 ways as a sum of consecutive naturals, for example, 1593287 + ... + 2131422.

It is an arithmetic number, because the mean of its divisors is an integer number (73760432130).

Almost surely, 2^{1002200001212} is an apocalyptic number.

It is an amenable number.

1002200001212 is a deficient number, since it is larger than the sum of its proper divisors (768050369908).

1002200001212 is a wasteful number, since it uses less digits than its factorization.

1002200001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725341 (or 3725339 counting only the distinct ones).

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

Adding to 1002200001212 its reverse (2121000022001), we get a palindrome (3123200023213).

The spelling of 1002200001212 in words is "one trillion, two billion, two hundred million, one thousand, two hundred twelve".