122223012312 has 32 divisors (see below), whose sum is σ = 307787886000. Its totient is φ = 40443623424.

The previous prime is 122223012293. The next prime is 122223012313. The reversal of 122223012312 is 213210322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223012313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18582937 + ... + 18589512.

Almost surely, 2^122223012312 is an apocalyptic number.

122223012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122223012312 is an abundant number, since it is smaller than the sum of its proper divisors (185564873688).

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

122223012312 is a wasteful number, since it uses less digits than its factorization.

122223012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37172595 (or 37172591 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122223012312 its reverse (213210322221), we get a palindrome (335433334533).

The spelling of 122223012312 in words is "one hundred twenty-two billion, two hundred twenty-three million, twelve thousand, three hundred twelve".