12031211130 has 32 divisors (see below), whose sum is σ = 29036232000. Its totient is φ = 3190397952.

The previous prime is 12031211111. The next prime is 12031211149. The reversal of 12031211130 is 3111213021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12031211111) and next prime (12031211149).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1114855 + ... + 1125594.

It is an arithmetic number, because the mean of its divisors is an integer number (907382250).

Almost surely, 2^12031211130 is an apocalyptic number.

12031211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031211130 is an abundant number, since it is smaller than the sum of its proper divisors (17005020870).

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

12031211130 is a wasteful number, since it uses less digits than its factorization.

12031211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240638.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12031211130 its reverse (3111213021), we get a palindrome (15142424151).

The spelling of 12031211130 in words is "twelve billion, thirty-one million, two hundred eleven thousand, one hundred thirty".