1243466680000 has 140 divisors (see below), whose sum is σ = 3084887888632. Its totient is φ = 497145600000.

The previous prime is 1243466679971. The next prime is 1243466680009. The reversal of 1243466680000 is 866643421.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1243466680009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98673700 + ... + 98686300.

Almost surely, 2^{1243466680000} is an apocalyptic number.

1243466680000 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 1243466680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542443944316).

1243466680000 is an abundant number, since it is smaller than the sum of its proper divisors (1841421208632).

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

1243466680000 is an equidigital number, since it uses as much as digits as its factorization.

1243466680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100 (or 15075 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1243466680000 in words is "one trillion, two hundred forty-three billion, four hundred sixty-six million, six hundred eighty thousand".