1200222002012 has 72 divisors (see below), whose sum is σ = 2444966469120. Its totient is φ = 511160221440.

The previous prime is 1200222002011. The next prime is 1200222002033. The reversal of 1200222002012 is 2102002220021.

It is a super-2 number, since 2×1200222002012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200222002011) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2624039 + ... + 3047297.

Almost surely, 2^{1200222002012} is an apocalyptic number.

It is an amenable number.

1200222002012 is an abundant number, since it is smaller than the sum of its proper divisors (1244744467108).

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

1200222002012 is a wasteful number, since it uses less digits than its factorization.

1200222002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423531 (or 423512 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200222002012 its reverse (2102002220021), we get a palindrome (3302224222033).

The spelling of 1200222002012 in words is "one trillion, two hundred billion, two hundred twenty-two million, two thousand, twelve".