1065001212 has 144 divisors (see below), whose sum is σ = 3029644800. Its totient is φ = 312698880.

The previous prime is 1065001141. The next prime is 1065001219. The reversal of 1065001212 is 2121005601.

1065001212 is a `hidden beast` number, since 1 + 0 + 650 + 0 + 1 + 2 + 12 = 666.

It is a super-2 number, since 2×1065001212² = 2268455163122937888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1845468 + ... + 1846044.

It is an arithmetic number, because the mean of its divisors is an integer number (21039200).

Almost surely, 2^1065001212 is an apocalyptic number.

1065001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514822400).

1065001212 is an abundant number, since it is smaller than the sum of its proper divisors (1964643588).

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

1065001212 is a wasteful number, since it uses less digits than its factorization.

1065001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1065001212 is about 32634.3563135540. The cubic root of 1065001212 is about 1021.2138605126.

Adding to 1065001212 its reverse (2121005601), we get a palindrome (3186006813).

The spelling of 1065001212 in words is "one billion, sixty-five million, one thousand, two hundred twelve".