12050278450 has 72 divisors (see below), whose sum is σ = 27206597952. Its totient is φ = 3951874080.

The previous prime is 12050278399. The next prime is 12050278463. The reversal of 12050278450 is 5487205021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50574 + ... + 163273.

It is an arithmetic number, because the mean of its divisors is an integer number (377869416).

Almost surely, 2^12050278450 is an apocalyptic number.

12050278450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12050278450 is an abundant number, since it is smaller than the sum of its proper divisors (15156319502).

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

12050278450 is a wasteful number, since it uses less digits than its factorization.

12050278450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213896 (or 213884 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 12050278450 in words is "twelve billion, fifty million, two hundred seventy-eight thousand, four hundred fifty".