34215012 has 72 divisors (see below), whose sum is σ = 96390840. Its totient is φ = 10160640.

The previous prime is 34214993. The next prime is 34215017. The reversal of 34215012 is 21051243.

It can be written as a sum of positive squares in 4 ways, for example, as 968256 + 33246756 = 984^2 + 5766^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (34215017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12312 + ... + 14832.

Almost surely, 2^34215012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34215012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48195420).

34215012 is an abundant number, since it is smaller than the sum of its proper divisors (62175828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34215012 is a wasteful number, since it uses less digits than its factorization.

34215012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 34215012 is about 5849.3599649876. The cubic root of 34215012 is about 324.6426431062.

Adding to 34215012 its reverse (21051243), we get a palindrome (55266255).

The spelling of 34215012 in words is "thirty-four million, two hundred fifteen thousand, twelve".