12396243888900 has 81 divisors (see below), whose sum is σ = 38855668867743. Its totient is φ = 3305636870400.

The previous prime is 12396243888859. The next prime is 12396243888907. The reversal of 12396243888900 is 988834269321.

The square root of 12396243888900 is 3520830.

It is a perfect power (a square), and thus also a powerful number.

12396243888900 is a `hidden beast` number, since 1 + 2 + 39 + 6 + 2 + 438 + 88 + 90 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1097126363844 + 11299117525056 = 1047438^2 + 3361416^2 .

It is not an unprimeable number, because it can be changed into a prime (12396243888907) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 105566220 + ... + 105683580.

Almost surely, 2^{12396243888900} is an apocalyptic number.

12396243888900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12396243888900 is the 3520830-th square number.

It is an amenable number.

12396243888900 is an abundant number, since it is smaller than the sum of its proper divisors (26459424978843).

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

12396243888900 is an frugal number, since it uses more digits than its factorization.

12396243888900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234742 (or 117371 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 12396243888900 in words is "twelve trillion, three hundred ninety-six billion, two hundred forty-three million, eight hundred eighty-eight thousand, nine hundred".