12302130312 has 40 divisors (see below), whose sum is σ = 34457357550. Its totient is φ = 4100709888.

The previous prime is 12302130301. The next prime is 12302130341. The reversal of 12302130312 is 21303120321.

It can be written as a sum of positive squares in only one way, i.e., 11636799876 + 665330436 = 107874^2 + 25794^2 .

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 9 ways as a sum of consecutive naturals, for example, 9491737 + ... + 9493032.

Almost surely, 2^12302130312 is an apocalyptic number.

12302130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12302130312 is an abundant number, since it is smaller than the sum of its proper divisors (22155227238).

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

12302130312 is a wasteful number, since it uses less digits than its factorization.

12302130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18984787 (or 18984774 counting only the distinct ones).

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

Adding to 12302130312 its reverse (21303120321), we get a palindrome (33605250633).

Subtracting 12302130312 from its reverse (21303120321), we obtain a palindrome (9000990009).

The spelling of 12302130312 in words is "twelve billion, three hundred two million, one hundred thirty thousand, three hundred twelve".