1201002222044 has 48 divisors (see below), whose sum is σ = 2247346483200. Its totient is φ = 559602107136.

The previous prime is 1201002222041. The next prime is 1201002222071. The reversal of 1201002222044 is 4402222001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002222041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71145197 + ... + 71162075.

It is an arithmetic number, because the mean of its divisors is an integer number (46819718400).

Almost surely, 2^{1201002222044} is an apocalyptic number.

It is an amenable number.

1201002222044 is a deficient number, since it is larger than the sum of its proper divisors (1046344261156).

1201002222044 is a wasteful number, since it uses less digits than its factorization.

1201002222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27162 (or 27160 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1201002222044 its reverse (4402222001021), we get a palindrome (5603224223065).

The spelling of 1201002222044 in words is "one trillion, two hundred one billion, two million, two hundred twenty-two thousand, forty-four".