12213214044 has 24 divisors (see below), whose sum is σ = 28499442048. Its totient is φ = 4070793840.

The previous prime is 12213214043. The next prime is 12213214051. The reversal of 12213214044 is 44041231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213214043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228649 + ... + 276959.

It is an arithmetic number, because the mean of its divisors is an integer number (1187476752).

Almost surely, 2^12213214044 is an apocalyptic number.

It is an amenable number.

12213214044 is an abundant number, since it is smaller than the sum of its proper divisors (16286228004).

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

12213214044 is a wasteful number, since it uses less digits than its factorization.

12213214044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69385 (or 69383 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12213214044 its reverse (44041231221), we get a palindrome (56254445265).

The spelling of 12213214044 in words is "twelve billion, two hundred thirteen million, two hundred fourteen thousand, forty-four".