65245631001012 has 144 divisors (see below), whose sum is σ = 206002678137984. Its totient is φ = 16915591584000.

The previous prime is 65245631000947. The next prime is 65245631001041. The reversal of 65245631001012 is 21010013654256.

65245631001012 is a `hidden beast` number, since 6 + 5 + 2 + 4 + 5 + 631 + 0 + 0 + 1 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20253939 + ... + 23253242.

It is an arithmetic number, because the mean of its divisors is an integer number (1430574153736).

Almost surely, 2^{65245631001012} is an apocalyptic number.

It is an amenable number.

65245631001012 is an abundant number, since it is smaller than the sum of its proper divisors (140757047136972).

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

65245631001012 is a wasteful number, since it uses less digits than its factorization.

65245631001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43507750 (or 43507745 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 65245631001012 its reverse (21010013654256), we get a palindrome (86255644655268).

The spelling of 65245631001012 in words is "sixty-five trillion, two hundred forty-five billion, six hundred thirty-one million, one thousand, twelve".