1200100322212 has 48 divisors (see below), whose sum is σ = 2300408195904. Its totient is φ = 543286016000.

The previous prime is 1200100322173. The next prime is 1200100322221. The reversal of 1200100322212 is 2122230010021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25706163 + ... + 25752805.

It is an arithmetic number, because the mean of its divisors is an integer number (47925170748).

Almost surely, 2^{1200100322212} is an apocalyptic number.

It is an amenable number.

1200100322212 is a deficient number, since it is larger than the sum of its proper divisors (1100307873692).

1200100322212 is a wasteful number, since it uses less digits than its factorization.

1200100322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020 (or 49018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200100322212 its reverse (2122230010021), we get a palindrome (3322330332233).

The spelling of 1200100322212 in words is "one trillion, two hundred billion, one hundred million, three hundred twenty-two thousand, two hundred twelve".