12650426220 has 24 divisors (see below), whose sum is σ = 35421193584. Its totient is φ = 3373446976.

The previous prime is 12650426203. The next prime is 12650426231. The reversal of 12650426220 is 2262405621.

It is a happy number.

12650426220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 105420159 + ... + 105420278.

It is an arithmetic number, because the mean of its divisors is an integer number (1475883066).

Almost surely, 2^12650426220 is an apocalyptic number.

12650426220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12650426220 is an abundant number, since it is smaller than the sum of its proper divisors (22770767364).

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

12650426220 is a wasteful number, since it uses less digits than its factorization.

12650426220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210840449 (or 210840447 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 12650426220 in words is "twelve billion, six hundred fifty million, four hundred twenty-six thousand, two hundred twenty".