215302203252452 has 12 divisors (see below), whose sum is σ = 376990173065856. Its totient is φ = 107590725233640.

The previous prime is 215302203252443. The next prime is 215302203252481. The reversal of 215302203252452 is 254252302203512.

215302203252452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15094090124 + ... + 15094104387.

It is an arithmetic number, because the mean of its divisors is an integer number (31415847755488).

Almost surely, 2^{215302203252452} is an apocalyptic number.

It is an amenable number.

215302203252452 is a deficient number, since it is larger than the sum of its proper divisors (161687969813404).

215302203252452 is a wasteful number, since it uses less digits than its factorization.

215302203252452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30188196298 (or 30188196296 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 215302203252452 its reverse (254252302203512), we get a palindrome (469554505455964).

The spelling of 215302203252452 in words is "two hundred fifteen trillion, three hundred two billion, two hundred three million, two hundred fifty-two thousand, four hundred fifty-two".