245022223445212 has 24 divisors (see below), whose sum is σ = 440394950841104. Its totient is φ = 119195352842112.

The previous prime is 245022223445189. The next prime is 245022223445317. The reversal of 245022223445212 is 212544322220542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28465998 + ... + 36060469.

Almost surely, 2^{245022223445212} is an apocalyptic number.

It is an amenable number.

245022223445212 is a deficient number, since it is larger than the sum of its proper divisors (195372727395892).

245022223445212 is a wasteful number, since it uses less digits than its factorization.

245022223445212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64552165 (or 64552163 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 245022223445212 its reverse (212544322220542), we get a palindrome (457566545665754).

The spelling of 245022223445212 in words is "two hundred forty-five trillion, twenty-two billion, two hundred twenty-three million, four hundred forty-five thousand, two hundred twelve".