12130212330 has 24 divisors (see below), whose sum is σ = 31538552292. Its totient is φ = 3234723264.

The previous prime is 12130212299. The next prime is 12130212379. The reversal of 12130212330 is 3321203121.

12130212330 is a `hidden beast` number, since 1 + 21 + 302 + 12 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12042209169 + 88003161 = 109737^2 + 9381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67389979 + ... + 67390158.

Almost surely, 2^12130212330 is an apocalyptic number.

12130212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12130212330 is an abundant number, since it is smaller than the sum of its proper divisors (19408339962).

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

12130212330 is a wasteful number, since it uses less digits than its factorization.

12130212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134780150 (or 134780147 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12130212330 its reverse (3321203121), we get a palindrome (15451415451).

The spelling of 12130212330 in words is "twelve billion, one hundred thirty million, two hundred twelve thousand, three hundred thirty".