1208166400000 has 360 divisors, whose sum is σ = 3452601644352. Its totient is φ = 414105600000.

The previous prime is 1208166399991. The next prime is 1208166400027. The reversal of 1208166400000 is 46618021.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358398315 + ... + 358401685.

Almost surely, 2^{1208166400000} is an apocalyptic number.

1208166400000 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 1208166400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726300822176).

1208166400000 is an abundant number, since it is smaller than the sum of its proper divisors (2244435244352).

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

1208166400000 is an frugal number, since it uses more digits than its factorization.

1208166400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 1208166400000 in words is "one trillion, two hundred eight billion, one hundred sixty-six million, four hundred thousand".