1201222201112 has 8 divisors (see below), whose sum is σ = 2252291627100. Its totient is φ = 600611100552.

The previous prime is 1201222201099. The next prime is 1201222201133. The reversal of 1201222201112 is 2111022221021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75076387562 + ... + 75076387577.

Almost surely, 2^{1201222201112} is an apocalyptic number.

It is an amenable number.

1201222201112 is a deficient number, since it is larger than the sum of its proper divisors (1051069425988).

1201222201112 is a wasteful number, since it uses less digits than its factorization.

1201222201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150152775145 (or 150152775141 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201222201112 its reverse (2111022221021), we get a palindrome (3312244422133).

The spelling of 1201222201112 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two hundred one thousand, one hundred twelve".