12130021110 has 32 divisors (see below), whose sum is σ = 30115916640. Its totient is φ = 3123131648.

The previous prime is 12130021103. The next prime is 12130021147. The reversal of 12130021110 is 1112003121.

It is a congruent number.

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, 6970407 + ... + 6972146.

It is an arithmetic number, because the mean of its divisors is an integer number (941122395).

Almost surely, 2^12130021110 is an apocalyptic number.

12130021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12130021110 is an abundant number, since it is smaller than the sum of its proper divisors (17985895530).

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

12130021110 is a wasteful number, since it uses less digits than its factorization.

12130021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942592.

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

Adding to 12130021110 its reverse (1112003121), we get a palindrome (13242024231).

The spelling of 12130021110 in words is "twelve billion, one hundred thirty million, twenty-one thousand, one hundred ten".