12221885490 has 32 divisors (see below), whose sum is σ = 29479939200. Its totient is φ = 3242790144.

The previous prime is 12221885461. The next prime is 12221885537. The reversal of 12221885490 is 9458812221.

12221885490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1017639 + ... + 1029578.

It is an arithmetic number, because the mean of its divisors is an integer number (921248100).

Almost surely, 2^12221885490 is an apocalyptic number.

12221885490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221885490 is an abundant number, since it is smaller than the sum of its proper divisors (17258053710).

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

12221885490 is a wasteful number, since it uses less digits than its factorization.

12221885490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047426.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12221885490 in words is "twelve billion, two hundred twenty-one million, eight hundred eighty-five thousand, four hundred ninety".