1201122000218 has 12 divisors (see below), whose sum is σ = 2095835327082. Its totient is φ = 514766571480.

The previous prime is 1201122000217. The next prime is 1201122000223. The reversal of 1201122000218 is 8120002211021.

It can be written as a sum of positive squares in only one way, i.e., 805816814929 + 395305185289 = 897673^2 + 628733^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201122000218.

It is not an unprimeable number, because it can be changed into a prime (1201122000217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6128173373 + ... + 6128173568.

Almost surely, 2^{1201122000218} is an apocalyptic number.

1201122000218 is a deficient number, since it is larger than the sum of its proper divisors (894713326864).

1201122000218 is a wasteful number, since it uses less digits than its factorization.

1201122000218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256346957 (or 12256346950 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1201122000218 its reverse (8120002211021), we get a palindrome (9321124211239).

The spelling of 1201122000218 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred eighteen", and thus it is an aban number.