12080311630 has 16 divisors (see below), whose sum is σ = 22494373920. Its totient is φ = 4665499552.

The previous prime is 12080311619. The next prime is 12080311651. The reversal of 12080311630 is 3611308021.

It is a junction number, because it is equal to n+sod(n) for n = 12080311595 and 12080311604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20827834 + ... + 20828413.

It is an arithmetic number, because the mean of its divisors is an integer number (1405898370).

Almost surely, 2^12080311630 is an apocalyptic number.

12080311630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12080311630 is a deficient number, since it is larger than the sum of its proper divisors (10414062290).

12080311630 is a wasteful number, since it uses less digits than its factorization.

12080311630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41656283.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 12080311630 its reverse (3611308021), we get a palindrome (15691619651).

The spelling of 12080311630 in words is "twelve billion, eighty million, three hundred eleven thousand, six hundred thirty".