1220243024122 has 16 divisors (see below), whose sum is σ = 1869814054152. Its totient is φ = 597073216320.

The previous prime is 1220243024081. The next prime is 1220243024149. The reversal of 1220243024122 is 2214203420221.

It can be written as a sum of positive squares in 4 ways, for example, as 756153724041 + 464089300081 = 869571^2 + 681241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25361733 + ... + 25409800.

Almost surely, 2^{1220243024122} is an apocalyptic number.

1220243024122 is a deficient number, since it is larger than the sum of its proper divisors (649571030030).

1220243024122 is a wasteful number, since it uses less digits than its factorization.

1220243024122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50771793.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1220243024122 its reverse (2214203420221), we get a palindrome (3434446444343).

The spelling of 1220243024122 in words is "one trillion, two hundred twenty billion, two hundred forty-three million, twenty-four thousand, one hundred twenty-two".