12030312130 has 16 divisors (see below), whose sum is σ = 21683181240. Its totient is φ = 4805764992.

The previous prime is 12030312103. The next prime is 12030312139. The reversal of 12030312130 is 3121303021.

It can be written as a sum of positive squares in 4 ways, for example, as 11353115601 + 677196529 = 106551^2 + 26023^2 .

It is not an unprimeable number, because it can be changed into a prime (12030312139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787035 + ... + 802174.

Almost surely, 2^12030312130 is an apocalyptic number.

12030312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030312130 is a deficient number, since it is larger than the sum of its proper divisors (9652869110).

12030312130 is a wasteful number, since it uses less digits than its factorization.

12030312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589973.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12030312130 its reverse (3121303021), we get a palindrome (15151615151).

The spelling of 12030312130 in words is "twelve billion, thirty million, three hundred twelve thousand, one hundred thirty".