12000140420 has 24 divisors (see below), whose sum is σ = 25202873304. Its totient is φ = 4799565056.

The previous prime is 12000140417. The next prime is 12000140423. The reversal of 12000140420 is 2404100021.

It is an interprime number because it is at equal distance from previous prime (12000140417) and next prime (12000140423).

It can be written as a sum of positive squares in 4 ways, for example, as 2442731776 + 9557408644 = 49424^2 + 97762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000140395 and 12000140404.

It is not an unprimeable number, because it can be changed into a prime (12000140423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219344 + ... + 268536.

It is an arithmetic number, because the mean of its divisors is an integer number (1050119721).

Almost surely, 2^12000140420 is an apocalyptic number.

12000140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000140420 is an abundant number, since it is smaller than the sum of its proper divisors (13202732884).

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

12000140420 is a wasteful number, since it uses less digits than its factorization.

12000140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61399 (or 61397 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12000140420 its reverse (2404100021), we get a palindrome (14404240441).

The spelling of 12000140420 in words is "twelve billion, one hundred forty thousand, four hundred twenty".