12666876552000 has 2240 divisors, whose sum is σ = 52559424073728. Its totient is φ = 2998114560000.

The previous prime is 12666876551993. The next prime is 12666876552007. The reversal of 12666876552000 is 25567866621.

It is an interprime number because it is at equal distance from previous prime (12666876551993) and next prime (12666876552007).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12666876552007) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 122979383949 + ... + 122979384051.

Almost surely, 2^{12666876552000} is an apocalyptic number.

12666876552000 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 12666876552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26279712036864).

12666876552000 is an abundant number, since it is smaller than the sum of its proper divisors (39892547521728).

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

12666876552000 is an frugal number, since it uses more digits than its factorization.

12666876552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 12666876552000 in words is "twelve trillion, six hundred sixty-six billion, eight hundred seventy-six million, five hundred fifty-two thousand".