12650220354 has 32 divisors (see below), whose sum is σ = 25359713280. Its totient is φ = 4206876752.

The previous prime is 12650220347. The next prime is 12650220377. The reversal of 12650220354 is 45302205621.

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 15 ways as a sum of consecutive naturals, for example, 9590107 + ... + 9591425.

It is an arithmetic number, because the mean of its divisors is an integer number (792491040).

Almost surely, 2^12650220354 is an apocalyptic number.

12650220354 is an abundant number, since it is smaller than the sum of its proper divisors (12709492926).

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

12650220354 is a wasteful number, since it uses less digits than its factorization.

12650220354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12650220354 its reverse (45302205621), we get a palindrome (57952425975).

The spelling of 12650220354 in words is "twelve billion, six hundred fifty million, two hundred twenty thousand, three hundred fifty-four".