1203546378450 has 48 divisors (see below), whose sum is σ = 3214394640576. Its totient is φ = 296257569600.

The previous prime is 1203546378341. The next prime is 1203546378473. The reversal of 1203546378450 is 548736453021.

It is a super-2 number, since 2×1203546378450² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1203546378450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308599686 + ... + 308603585.

It is an arithmetic number, because the mean of its divisors is an integer number (66966555012).

Almost surely, 2^{1203546378450} is an apocalyptic number.

1203546378450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203546378450 is an abundant number, since it is smaller than the sum of its proper divisors (2010848262126).

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

1203546378450 is a wasteful number, since it uses less digits than its factorization.

1203546378450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617203299 (or 617203294 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 1203546378450 in words is "one trillion, two hundred three billion, five hundred forty-six million, three hundred seventy-eight thousand, four hundred fifty".