1220010002122 has 16 divisors (see below), whose sum is σ = 1893248721000. Its totient is φ = 588929978560.

The previous prime is 1220010002077. The next prime is 1220010002173. The reversal of 1220010002122 is 2212000100221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1157584479921 + 62425522201 = 1075911^2 + 249851^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 141504 + ... + 1568452.

Almost surely, 2^{1220010002122} is an apocalyptic number.

1220010002122 is a deficient number, since it is larger than the sum of its proper divisors (673238718878).

1220010002122 is a wasteful number, since it uses less digits than its factorization.

1220010002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441721.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220010002122 its reverse (2212000100221), we get a palindrome (3432010102343).

The spelling of 1220010002122 in words is "one trillion, two hundred twenty billion, ten million, two thousand, one hundred twenty-two".