120222030312 has 96 divisors (see below), whose sum is σ = 346950793800. Its totient is φ = 37476421632.

The previous prime is 120222030311. The next prime is 120222030317. The reversal of 120222030312 is 213030222021.

It can be written as a sum of positive squares in 4 ways, for example, as 110135041956 + 10086988356 = 331866^2 + 100434^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120222030311) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 120637 + ... + 504972.

Almost surely, 2^120222030312 is an apocalyptic number.

120222030312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120222030312 is an abundant number, since it is smaller than the sum of its proper divisors (226728763488).

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

120222030312 is a wasteful number, since it uses less digits than its factorization.

120222030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625795 (or 625788 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120222030312 its reverse (213030222021), we get a palindrome (333252252333).

The spelling of 120222030312 in words is "one hundred twenty billion, two hundred twenty-two million, thirty thousand, three hundred twelve".