122304311012 has 54 divisors (see below), whose sum is σ = 246198513078. Its totient is φ = 53127579648.

The previous prime is 122304311009. The next prime is 122304311021. The reversal of 122304311012 is 210113403221.

It can be written as a sum of positive squares in 9 ways, for example, as 22766584996 + 99537726016 = 150886^2 + 315496^2 .

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 17 ways as a sum of consecutive naturals, for example, 117653 + ... + 508380.

Almost surely, 2^122304311012 is an apocalyptic number.

It is an amenable number.

122304311012 is an abundant number, since it is smaller than the sum of its proper divisors (123894202066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122304311012 is a wasteful number, since it uses less digits than its factorization.

122304311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626097 (or 626065 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122304311012 its reverse (210113403221), we get a palindrome (332417714233).

The spelling of 122304311012 in words is "one hundred twenty-two billion, three hundred four million, three hundred eleven thousand, twelve".