12202305140 has 12 divisors (see below), whose sum is σ = 25624840836. Its totient is φ = 4880922048.

The previous prime is 12202305127. The next prime is 12202305211. The reversal of 12202305140 is 4150320221.

12202305140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2739684964 + 9462620176 = 52342^2 + 97276^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 610115257 = 12202305140 / (1 + 2 + 2 + 0 + 2 + 3 + 0 + 5 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305057609 + ... + 305057648.

It is an arithmetic number, because the mean of its divisors is an integer number (2135403403).

Almost surely, 2^12202305140 is an apocalyptic number.

12202305140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202305140 is an abundant number, since it is smaller than the sum of its proper divisors (13422535696).

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

12202305140 is a wasteful number, since it uses less digits than its factorization.

12202305140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610115266 (or 610115264 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12202305140 its reverse (4150320221), we get a palindrome (16352625361).

The spelling of 12202305140 in words is "twelve billion, two hundred two million, three hundred five thousand, one hundred forty".