1220012220033 has 16 divisors (see below), whose sum is σ = 1807469529600. Its totient is φ = 813321671760.

The previous prime is 1220012220017. The next prime is 1220012220059. The reversal of 1220012220033 is 3300222100221.

It is not a de Polignac number, because 1220012220033 - 2⁴ = 1220012220017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220012219988 and 1220012220015.

It is not an unprimeable number, because it can be changed into a prime (1220012220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624543 + ... + 1682283.

It is an arithmetic number, because the mean of its divisors is an integer number (112966845600).

Almost surely, 2^{1220012220033} is an apocalyptic number.

It is an amenable number.

1220012220033 is a deficient number, since it is larger than the sum of its proper divisors (587457309567).

1220012220033 is a wasteful number, since it uses less digits than its factorization.

1220012220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100469 (or 1100463 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1220012220033 its reverse (3300222100221), we get a palindrome (4520234320254).

The spelling of 1220012220033 in words is "one trillion, two hundred twenty billion, twelve million, two hundred twenty thousand, thirty-three".