12022145225646 has 8 divisors (see below), whose sum is σ = 24044290451304. Its totient is φ = 4007381741880.

The previous prime is 12022145225611. The next prime is 12022145225647. The reversal of 12022145225646 is 64652254122021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12022145225646 is an admirable number.

It is a super-2 number, since 2×12022145225646² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12022145225598 and 12022145225607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022145225647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001845435465 + ... + 1001845435476.

It is an arithmetic number, because the mean of its divisors is an integer number (3005536306413).

Almost surely, 2^{12022145225646} is an apocalyptic number.

12022145225646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12022145225646 is a wasteful number, since it uses less digits than its factorization.

12022145225646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003690870946.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 12022145225646 its reverse (64652254122021), we get a palindrome (76674399347667).

The spelling of 12022145225646 in words is "twelve trillion, twenty-two billion, one hundred forty-five million, two hundred twenty-five thousand, six hundred forty-six".