12091120030 has 32 divisors (see below), whose sum is σ = 24508459008. Its totient is φ = 4254938400.

The previous prime is 12091120021. The next prime is 12091120039. The reversal of 12091120030 is 3002119021.

It is an interprime number because it is at equal distance from previous prime (12091120021) and next prime (12091120039).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091120039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769482 + ... + 1776301.

It is an arithmetic number, because the mean of its divisors is an integer number (765889344).

Almost surely, 2^12091120030 is an apocalyptic number.

12091120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12091120030 is an abundant number, since it is smaller than the sum of its proper divisors (12417338978).

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

12091120030 is a wasteful number, since it uses less digits than its factorization.

12091120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545832.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12091120030 its reverse (3002119021), we get a palindrome (15093239051).

The spelling of 12091120030 in words is "twelve billion, ninety-one million, one hundred twenty thousand, thirty".