12120022330 has 64 divisors (see below), whose sum is σ = 24897468960. Its totient is φ = 4208246784.

The previous prime is 12120022301. The next prime is 12120022337. The reversal of 12120022330 is 3322002121.

It can be written as a sum of positive squares in 16 ways, for example, as 1036775601 + 11083246729 = 32199^2 + 105277^2 .

It is not an unprimeable number, because it can be changed into a prime (12120022337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5013282 + ... + 5015698.

Almost surely, 2^12120022330 is an apocalyptic number.

12120022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120022330 is an abundant number, since it is smaller than the sum of its proper divisors (12777446630).

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

12120022330 is a wasteful number, since it uses less digits than its factorization.

12120022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120022330 its reverse (3322002121), we get a palindrome (15442024451).

The spelling of 12120022330 in words is "twelve billion, one hundred twenty million, twenty-two thousand, three hundred thirty".