12001365222 has 64 divisors (see below), whose sum is σ = 30144075264. Its totient is φ = 3094467840.

The previous prime is 12001365221. The next prime is 12001365239. The reversal of 12001365222 is 22256310021.

It is a super-2 number, since 2×12001365222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001365192 and 12001365201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001365221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31513 + ... + 158100.

It is an arithmetic number, because the mean of its divisors is an integer number (471001176).

Almost surely, 2^12001365222 is an apocalyptic number.

12001365222 is an abundant number, since it is smaller than the sum of its proper divisors (18142710042).

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

12001365222 is a wasteful number, since it uses less digits than its factorization.

12001365222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189773.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12001365222 its reverse (22256310021), we get a palindrome (34257675243).

The spelling of 12001365222 in words is "twelve billion, one million, three hundred sixty-five thousand, two hundred twenty-two".