12122144200 has 24 divisors (see below), whose sum is σ = 28183985730. Its totient is φ = 4848857600.

The previous prime is 12122144197. The next prime is 12122144201. The reversal of 12122144200 is 244122121.

It can be written as a sum of positive squares in 3 ways, for example, as 7557520356 + 4564623844 = 86934^2 + 67562^2 .

It is not an unprimeable number, because it can be changed into a prime (12122144201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30305161 + ... + 30305560.

Almost surely, 2^12122144200 is an apocalyptic number.

12122144200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122144200 is an abundant number, since it is smaller than the sum of its proper divisors (16061841530).

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

12122144200 is a wasteful number, since it uses less digits than its factorization.

12122144200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60610737 (or 60610728 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12122144200 its reverse (244122121), we get a palindrome (12366266321).

It can be divided in two parts, 1212 and 2144200, that added together give a palindrome (2145412).

The spelling of 12122144200 in words is "twelve billion, one hundred twenty-two million, one hundred forty-four thousand, two hundred".