215012150 has 24 divisors (see below), whose sum is σ = 402812760. Its totient is φ = 85383360.

The previous prime is 215012123. The next prime is 215012153. The reversal of 215012150 is 51210512.

215012150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215012153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8519 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (16783865).

Almost surely, 2^215012150 is an apocalyptic number.

215012150 is a deficient number, since it is larger than the sum of its proper divisors (187800610).

215012150 is a wasteful number, since it uses less digits than its factorization.

215012150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31088 (or 31083 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 215012150 is about 14663.2926043232. The cubic root of 215012150 is about 599.0839261337.

Adding to 215012150 its reverse (51210512), we get a palindrome (266222662).

The spelling of 215012150 in words is "two hundred fifteen million, twelve thousand, one hundred fifty".