12212233120 has 24 divisors (see below), whose sum is σ = 28851401124. Its totient is φ = 4884893184.

The previous prime is 12212233069. The next prime is 12212233133. The reversal of 12212233120 is 2133221221.

It can be written as a sum of positive squares in 2 ways, for example, as 9835085584 + 2377147536 = 99172^2 + 48756^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38163069 + ... + 38163388.

Almost surely, 2^12212233120 is an apocalyptic number.

12212233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212233120 is an abundant number, since it is smaller than the sum of its proper divisors (16639168004).

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

12212233120 is an equidigital number, since it uses as much as digits as its factorization.

12212233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76326472 (or 76326464 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12212233120 its reverse (2133221221), we get a palindrome (14345454341).

The spelling of 12212233120 in words is "twelve billion, two hundred twelve million, two hundred thirty-three thousand, one hundred twenty".