1220202330122 has 32 divisors (see below), whose sum is σ = 1976194720080. Its totient is φ = 563852423680.

The previous prime is 1220202330121. The next prime is 1220202330143. The reversal of 1220202330122 is 2210332020221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 495645568441 + 724556761681 = 704021^2 + 851209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220202330094 and 1220202330103.

It is not an unprimeable number, because it can be changed into a prime (1220202330121) 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 in 15 ways as a sum of consecutive naturals, for example, 4714733 + ... + 4966800.

Almost surely, 2^{1220202330122} is an apocalyptic number.

1220202330122 is a deficient number, since it is larger than the sum of its proper divisors (755992389958).

1220202330122 is a wasteful number, since it uses less digits than its factorization.

1220202330122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9681658.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220202330122 its reverse (2210332020221), we get a palindrome (3430534350343).

The spelling of 1220202330122 in words is "one trillion, two hundred twenty billion, two hundred two million, three hundred thirty thousand, one hundred twenty-two".