12699911023200 has 648 divisors, whose sum is σ = 47611141676280. Its totient is φ = 3184828416000.

The previous prime is 12699911023171. The next prime is 12699911023211. The reversal of 12699911023200 is 232011999621.

12699911023200 is a `hidden beast` number, since 126 + 9 + 99 + 110 + 2 + 320 + 0 = 666.

It is a super-2 number, since 2×12699911023200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4534061800 + ... + 4534064600.

Almost surely, 2^{12699911023200} is an apocalyptic number.

12699911023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12699911023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23805570838140).

12699911023200 is an abundant number, since it is smaller than the sum of its proper divisors (34911230653080).

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

12699911023200 is a wasteful number, since it uses less digits than its factorization.

12699911023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 12699911023200 in words is "twelve trillion, six hundred ninety-nine billion, nine hundred eleven million, twenty-three thousand, two hundred".