64206212 has 24 divisors (see below), whose sum is σ = 135967104. Its totient is φ = 25898112.

The previous prime is 64206199. The next prime is 64206217. The reversal of 64206212 is 21260246.

It is not an unprimeable number, because it can be changed into a prime (64206217) 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, 66968 + ... + 67919.

It is an arithmetic number, because the mean of its divisors is an integer number (5665296).

Almost surely, 2^64206212 is an apocalyptic number.

It is an amenable number.

64206212 is an abundant number, since it is smaller than the sum of its proper divisors (71760892).

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

64206212 is a wasteful number, since it uses less digits than its factorization.

64206212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134915 (or 134913 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64206212 is about 8012.8778850049. The cubic root of 64206212 is about 400.4291477492.

Adding to 64206212 its reverse (21260246), we get a palindrome (85466458).

The spelling of 64206212 in words is "sixty-four million, two hundred six thousand, two hundred twelve".