12397469168016 has 135 divisors (see below), whose sum is σ = 36620265448299. Its totient is φ = 3914736751296.

The previous prime is 12397469168011. The next prime is 12397469168057. The reversal of 12397469168016 is 61086196479321.

The square root of 12397469168016 is 3521004.

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

12397469168016 is a `hidden beast` number, since 1 + 2 + 3 + 9 + 7 + 469 + 168 + 0 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (12397469168011) 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, 802781191 + ... + 802796633.

Almost surely, 2^{12397469168016} is an apocalyptic number.

12397469168016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12397469168016 is the 3521004-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12397469168016

12397469168016 is an abundant number, since it is smaller than the sum of its proper divisors (24222796280283).

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

12397469168016 is an frugal number, since it uses more digits than its factorization.

12397469168016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30938 (or 15467 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 12397469168016 in words is "twelve trillion, three hundred ninety-seven billion, four hundred sixty-nine million, one hundred sixty-eight thousand, sixteen".