12214227750 has 64 divisors (see below), whose sum is σ = 30535045632. Its totient is φ = 3251964000.

The previous prime is 12214227737. The next prime is 12214227761. The reversal of 12214227750 is 5772241221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472665 + ... + 497835.

It is an arithmetic number, because the mean of its divisors is an integer number (477110088).

Almost surely, 2^12214227750 is an apocalyptic number.

12214227750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12214227750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15267522816).

12214227750 is an abundant number, since it is smaller than the sum of its proper divisors (18320817882).

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

12214227750 is a wasteful number, since it uses less digits than its factorization.

12214227750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25838 (or 25828 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 12214227750 its reverse (5772241221), we get a palindrome (17986468971).

The spelling of 12214227750 in words is "twelve billion, two hundred fourteen million, two hundred twenty-seven thousand, seven hundred fifty".