1201222301212 has 6 divisors (see below), whose sum is σ = 2102139027128. Its totient is φ = 600611150604.

The previous prime is 1201222301203. The next prime is 1201222301219. The reversal of 1201222301212 is 2121032221021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201222301212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201222301219) 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 as a sum of consecutive naturals, namely, 150152787648 + ... + 150152787655.

Almost surely, 2^{1201222301212} is an apocalyptic number.

It is an amenable number.

1201222301212 is a deficient number, since it is larger than the sum of its proper divisors (900916725916).

1201222301212 is a wasteful number, since it uses less digits than its factorization.

1201222301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300305575307 (or 300305575305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1201222301212 its reverse (2121032221021), we get a palindrome (3322254522233).

The spelling of 1201222301212 in words is "one trillion, two hundred one billion, two hundred twenty-two million, three hundred one thousand, two hundred twelve".