122403343312 has 20 divisors (see below), whose sum is σ = 237468139236. Its totient is φ = 61121242880.

The previous prime is 122403343301. The next prime is 122403343367. The reversal of 122403343312 is 213343304221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20179907136 + 102223436176 = 142056^2 + 319724^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5014243 + ... + 5038594.

Almost surely, 2^122403343312 is an apocalyptic number.

It is an amenable number.

122403343312 is a deficient number, since it is larger than the sum of its proper divisors (115064795924).

122403343312 is a wasteful number, since it uses less digits than its factorization.

122403343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053606 (or 10053600 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 122403343312 its reverse (213343304221), we get a palindrome (335746647533).

The spelling of 122403343312 in words is "one hundred twenty-two billion, four hundred three million, three hundred forty-three thousand, three hundred twelve".