12045222364 has 96 divisors (see below), whose sum is σ = 25818186240. Its totient is φ = 4799803392.

The previous prime is 12045222341. The next prime is 12045222377. The reversal of 12045222364 is 46322254021.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 20312052 + ... + 20312644.

It is an arithmetic number, because the mean of its divisors is an integer number (268939440).

Almost surely, 2^12045222364 is an apocalyptic number.

12045222364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12045222364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12909093120).

12045222364 is an abundant number, since it is smaller than the sum of its proper divisors (13772963876).

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

12045222364 is a wasteful number, since it uses less digits than its factorization.

12045222364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12045222364 its reverse (46322254021), we get a palindrome (58367476385).

The spelling of 12045222364 in words is "twelve billion, forty-five million, two hundred twenty-two thousand, three hundred sixty-four".