12231200322 has 24 divisors (see below), whose sum is σ = 28910110320. Its totient is φ = 3706424280.

The previous prime is 12231200309. The next prime is 12231200329. The reversal of 12231200322 is 22300213221.

12231200322 is a `hidden beast` number, since 1 + 223 + 120 + 0 + 322 = 666.

It is a super-2 number, since 2×12231200322² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12231200295 and 12231200304.

It is not an unprimeable number, because it can be changed into a prime (12231200329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30886672 + ... + 30887067.

It is an arithmetic number, because the mean of its divisors is an integer number (1204587930).

Almost surely, 2^12231200322 is an apocalyptic number.

12231200322 is an abundant number, since it is smaller than the sum of its proper divisors (16678909998).

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

12231200322 is a wasteful number, since it uses less digits than its factorization.

12231200322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61773758 (or 61773755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12231200322 its reverse (22300213221), we get a palindrome (34531413543).

The spelling of 12231200322 in words is "twelve billion, two hundred thirty-one million, two hundred thousand, three hundred twenty-two".