12001211130 has 32 divisors (see below), whose sum is σ = 28844045568. Its totient is φ = 3195752000.

The previous prime is 12001211111. The next prime is 12001211161. The reversal of 12001211130 is 3111210021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264306 + ... + 306365.

It is an arithmetic number, because the mean of its divisors is an integer number (901376424).

Almost surely, 2^12001211130 is an apocalyptic number.

12001211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001211130 is an abundant number, since it is smaller than the sum of its proper divisors (16842834438).

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

12001211130 is a wasteful number, since it uses less digits than its factorization.

12001211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571382.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12001211130 its reverse (3111210021), we get a palindrome (15112421151).

The spelling of 12001211130 in words is "twelve billion, one million, two hundred eleven thousand, one hundred thirty".