1200100323408 has 40 divisors (see below), whose sum is σ = 3543153336768. Its totient is φ = 342885806592.

The previous prime is 1200100323377. The next prime is 1200100323419. The reversal of 1200100323408 is 8043230010021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785863241 + ... + 1785863912.

Almost surely, 2^{1200100323408} is an apocalyptic number.

It is an amenable number.

1200100323408 is an abundant number, since it is smaller than the sum of its proper divisors (2343053013360).

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

1200100323408 is a wasteful number, since it uses less digits than its factorization.

1200100323408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571727171 (or 3571727165 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1200100323408 its reverse (8043230010021), we get a palindrome (9243330333429).

The spelling of 1200100323408 in words is "one trillion, two hundred billion, one hundred million, three hundred twenty-three thousand, four hundred eight".