1012511036216 has 8 divisors (see below), whose sum is σ = 1898458192920. Its totient is φ = 506255518104.

The previous prime is 1012511036213. The next prime is 1012511036239. The reversal of 1012511036216 is 6126301152101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012511036213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63281939756 + ... + 63281939771.

It is an arithmetic number, because the mean of its divisors is an integer number (237307274115).

Almost surely, 2^{1012511036216} is an apocalyptic number.

It is an amenable number.

1012511036216 is a deficient number, since it is larger than the sum of its proper divisors (885947156704).

1012511036216 is a wasteful number, since it uses less digits than its factorization.

1012511036216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126563879533 (or 126563879529 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 1012511036216 its reverse (6126301152101), we get a palindrome (7138812188317).

The spelling of 1012511036216 in words is "one trillion, twelve billion, five hundred eleven million, thirty-six thousand, two hundred sixteen".