12100200656 has 10 divisors (see below), whose sum is σ = 23444138802. Its totient is φ = 6050100320.

The previous prime is 12100200647. The next prime is 12100200703. The reversal of 12100200656 is 65600200121.

It can be written as a sum of positive squares in only one way, i.e., 11933377600 + 166823056 = 109240^2 + 12916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378131255 + ... + 378131286.

Almost surely, 2^12100200656 is an apocalyptic number.

12100200656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12100200656 is a deficient number, since it is larger than the sum of its proper divisors (11343938146).

12100200656 is an equidigital number, since it uses as much as digits as its factorization.

12100200656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756262549 (or 756262543 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12100200656 its reverse (65600200121), we get a palindrome (77700400777).

The spelling of 12100200656 in words is "twelve billion, one hundred million, two hundred thousand, six hundred fifty-six".