12211542284 has 6 divisors (see below), whose sum is σ = 21370199004. Its totient is φ = 6105771140.

The previous prime is 12211542257. The next prime is 12211542293. The reversal of 12211542284 is 48224511221.

It is a self number, because there is not a number n which added to its sum of digits gives 12211542284.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526442782 + ... + 1526442789.

It is an arithmetic number, because the mean of its divisors is an integer number (3561699834).

Almost surely, 2^12211542284 is an apocalyptic number.

It is an amenable number.

12211542284 is a deficient number, since it is larger than the sum of its proper divisors (9158656720).

12211542284 is a wasteful number, since it uses less digits than its factorization.

12211542284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052885575 (or 3052885573 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The spelling of 12211542284 in words is "twelve billion, two hundred eleven million, five hundred forty-two thousand, two hundred eighty-four".