1200022022212 has 48 divisors (see below), whose sum is σ = 2304450086400. Its totient is φ = 543452532480.

The previous prime is 1200022022161. The next prime is 1200022022239. The reversal of 1200022022212 is 2122202200021.

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 15 ways as a sum of consecutive naturals, for example, 383412 + ... + 1595947.

It is an arithmetic number, because the mean of its divisors is an integer number (48009376800).

Almost surely, 2^{1200022022212} is an apocalyptic number.

It is an amenable number.

1200022022212 is a deficient number, since it is larger than the sum of its proper divisors (1104428064188).

1200022022212 is a wasteful number, since it uses less digits than its factorization.

1200022022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979596 (or 1979594 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200022022212 its reverse (2122202200021), we get a palindrome (3322224222233).

The spelling of 1200022022212 in words is "one trillion, two hundred billion, twenty-two million, twenty-two thousand, two hundred twelve".