215434012 has 12 divisors (see below), whose sum is σ = 377634880. Its totient is φ = 107538336.

The previous prime is 215433971. The next prime is 215434061. The reversal of 215434012 is 210434512.

215434012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215434012² = 92823627052832288, which contains 22 as substring.

It is a congruent number.

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, 41937 + ... + 46792.

Almost surely, 2^215434012 is an apocalyptic number.

It is an amenable number.

215434012 is a deficient number, since it is larger than the sum of its proper divisors (162200868).

215434012 is a wasteful number, since it uses less digits than its factorization.

215434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89340 (or 89338 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 215434012 is about 14677.6705236219. The cubic root of 215434012 is about 599.4754786329.

Adding to 215434012 its reverse (210434512), we get a palindrome (425868524).

The spelling of 215434012 in words is "two hundred fifteen million, four hundred thirty-four thousand, twelve".