12203140340 has 24 divisors (see below), whose sum is σ = 25652865672. Its totient is φ = 4876252160.

The previous prime is 12203140331. The next prime is 12203140357. The reversal of 12203140340 is 4304130221.

It can be written as a sum of positive squares in 4 ways, for example, as 4081165456 + 8121974884 = 63884^2 + 90122^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292721 + ... + 331800.

It is an arithmetic number, because the mean of its divisors is an integer number (1068869403).

Almost surely, 2^12203140340 is an apocalyptic number.

12203140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203140340 is an abundant number, since it is smaller than the sum of its proper divisors (13449725332).

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

12203140340 is a wasteful number, since it uses less digits than its factorization.

12203140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625507 (or 625505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12203140340 its reverse (4304130221), we get a palindrome (16507270561).

The spelling of 12203140340 in words is "twelve billion, two hundred three million, one hundred forty thousand, three hundred forty".