215245414412 has 12 divisors (see below), whose sum is σ = 430490828880. Its totient is φ = 92248034736.

The previous prime is 215245414387. The next prime is 215245414429. The reversal of 215245414412 is 214414542512.

It is a happy number.

215245414412 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843668087 + ... + 3843668142.

It is an arithmetic number, because the mean of its divisors is an integer number (35874235740).

Almost surely, 2^215245414412 is an apocalyptic number.

It is an amenable number.

215245414412 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.

215245414412 is a wasteful number, since it uses less digits than its factorization.

215245414412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687336240 (or 7687336238 counting only the distinct ones).

The product of its digits is 51200, while the sum is 35.

Adding to 215245414412 its reverse (214414542512), we get a palindrome (429659956924).

The spelling of 215245414412 in words is "two hundred fifteen billion, two hundred forty-five million, four hundred fourteen thousand, four hundred twelve".