65212010 has 16 divisors (see below), whose sum is σ = 121429800. Its totient is φ = 25185216.

The previous prime is 65212001. The next prime is 65212013. The reversal of 65212010 is 1021256.

It can be written as a sum of positive squares in 4 ways, for example, as 62837329 + 2374681 = 7927^2 + 1541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65212010.

It is not an unprimeable number, because it can be changed into a prime (65212013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112145 + ... + 112724.

Almost surely, 2^65212010 is an apocalyptic number.

65212010 is a deficient number, since it is larger than the sum of its proper divisors (56217790).

65212010 is a wasteful number, since it uses less digits than its factorization.

65212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224905.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 65212010 is about 8075.3953463592. The cubic root of 65212010 is about 402.5092471160.

Adding to 65212010 its reverse (1021256), we get a palindrome (66233266).

The spelling of 65212010 in words is "sixty-five million, two hundred twelve thousand, ten".