1200220112212 has 24 divisors (see below), whose sum is σ = 2291357073600. Its totient is φ = 545547984960.

The previous prime is 1200220112167. The next prime is 1200220112249. The reversal of 1200220112212 is 2122110220021.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6900289 + ... + 7072087.

It is an arithmetic number, because the mean of its divisors is an integer number (95473211400).

Almost surely, 2^{1200220112212} is an apocalyptic number.

It is an amenable number.

1200220112212 is a deficient number, since it is larger than the sum of its proper divisors (1091136961388).

1200220112212 is a wasteful number, since it uses less digits than its factorization.

1200220112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330591 (or 330589 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200220112212 its reverse (2122110220021), we get a palindrome (3322330332233).

The spelling of 1200220112212 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred twelve thousand, two hundred twelve".