12010121120 has 24 divisors (see below), whose sum is σ = 28373911524. Its totient is φ = 4804048384.

The previous prime is 12010121107. The next prime is 12010121147. The reversal of 12010121120 is 2112101021.

It can be written as a sum of positive squares in 2 ways, for example, as 11482408336 + 527712784 = 107156^2 + 22972^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37531469 + ... + 37531788.

Almost surely, 2^12010121120 is an apocalyptic number.

12010121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010121120 is an abundant number, since it is smaller than the sum of its proper divisors (16363790404).

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

12010121120 is an equidigital number, since it uses as much as digits as its factorization.

12010121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75063272 (or 75063264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010121120 its reverse (2112101021), we get a palindrome (14122222141).

The spelling of 12010121120 in words is "twelve billion, ten million, one hundred twenty-one thousand, one hundred twenty".