1220011232122 has 24 divisors (see below), whose sum is σ = 1915590761280. Its totient is φ = 582706311000.

The previous prime is 1220011232117. The next prime is 1220011232137. The reversal of 1220011232122 is 2212321100221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220011232122.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26829 + ... + 1562287.

It is an arithmetic number, because the mean of its divisors is an integer number (79816281720).

Almost surely, 2^{1220011232122} is an apocalyptic number.

1220011232122 is a deficient number, since it is larger than the sum of its proper divisors (695579529158).

1220011232122 is a wasteful number, since it uses less digits than its factorization.

1220011232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536258 (or 1536235 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1220011232122 its reverse (2212321100221), we get a palindrome (3432332332343).

The spelling of 1220011232122 in words is "one trillion, two hundred twenty billion, eleven million, two hundred thirty-two thousand, one hundred twenty-two".