12206666000880 has 480 divisors, whose sum is σ = 44406249818112. Its totient is φ = 2987141068800.

The previous prime is 12206666000861. The next prime is 12206666000899. The reversal of 12206666000880 is 8800066660221.

It is an interprime number because it is at equal distance from previous prime (12206666000861) and next prime (12206666000899).

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 95 ways as a sum of consecutive naturals, for example, 1692780475 + ... + 1692787685.

Almost surely, 2^{12206666000880} is an apocalyptic number.

12206666000880 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 12206666000880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22203124909056).

12206666000880 is an abundant number, since it is smaller than the sum of its proper divisors (32199583817232).

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

12206666000880 is a wasteful number, since it uses less digits than its factorization.

12206666000880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277 (or 8268 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 12206666000880 in words is "twelve trillion, two hundred six billion, six hundred sixty-six million, eight hundred eighty", and thus it is an aban number.