12225311350 has 72 divisors (see below), whose sum is σ = 26550631008. Its totient is φ = 4175841600.

The previous prime is 12225311339. The next prime is 12225311363. The reversal of 12225311350 is 5311352221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 654744 + ... + 673156.

It is an arithmetic number, because the mean of its divisors is an integer number (368758764).

Almost surely, 2^12225311350 is an apocalyptic number.

12225311350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12225311350 is an abundant number, since it is smaller than the sum of its proper divisors (14325319658).

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

12225311350 is a wasteful number, since it uses less digits than its factorization.

12225311350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12225311350 its reverse (5311352221), we get a palindrome (17536663571).

The spelling of 12225311350 in words is "twelve billion, two hundred twenty-five million, three hundred eleven thousand, three hundred fifty".