12143480450 has 144 divisors (see below), whose sum is σ = 24912233640. Its totient is φ = 4399488000.

The previous prime is 12143480449. The next prime is 12143480519. The reversal of 12143480450 is 5408434121.

It can be written as a sum of positive squares in 12 ways, for example, as 3829505689 + 8313974761 = 61883^2 + 91181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45142916 + ... + 45143184.

Almost surely, 2^12143480450 is an apocalyptic number.

12143480450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143480450 is an abundant number, since it is smaller than the sum of its proper divisors (12768753190).

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

12143480450 is a wasteful number, since it uses less digits than its factorization.

12143480450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 12143480450 in words is "twelve billion, one hundred forty-three million, four hundred eighty thousand, four hundred fifty".