122020442144 has 24 divisors (see below), whose sum is σ = 240341569020. Its totient is φ = 60981313536.

The previous prime is 122020442123. The next prime is 122020442179. The reversal of 122020442144 is 441244020221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69478633744 + 52541808400 = 263588^2 + 229220^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834689 + ... + 969920.

Almost surely, 2^122020442144 is an apocalyptic number.

It is an amenable number.

122020442144 is a deficient number, since it is larger than the sum of its proper divisors (118321126876).

122020442144 is a wasteful number, since it uses less digits than its factorization.

122020442144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806732 (or 1806724 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 122020442144 its reverse (441244020221), we get a palindrome (563264462365).

The spelling of 122020442144 in words is "one hundred twenty-two billion, twenty million, four hundred forty-two thousand, one hundred forty-four".