1201120212224 has 18 divisors (see below), whose sum is σ = 2397548549130. Its totient is φ = 600560105984.

The previous prime is 1201120212223. The next prime is 1201120212251. The reversal of 1201120212224 is 4222120211021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1187158426624 + 13961785600 = 1089568^2 + 118160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201120212196 and 1201120212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201120212221) by changing a digit.

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 as a sum of consecutive naturals, namely, 2345937659 + ... + 2345938170.

Almost surely, 2^{1201120212224} is an apocalyptic number.

It is an amenable number.

1201120212224 is a deficient number, since it is larger than the sum of its proper divisors (1196428336906).

1201120212224 is an frugal number, since it uses more digits than its factorization.

1201120212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691875845 (or 4691875831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1201120212224 its reverse (4222120211021), we get a palindrome (5423240423245).

The spelling of 1201120212224 in words is "one trillion, two hundred one billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-four".