1012116651 has 32 divisors (see below), whose sum is σ = 1662904320. Its totient is φ = 533222784.

The previous prime is 1012116647. The next prime is 1012116661. The reversal of 1012116651 is 1566112101.

It is not a de Polignac number, because 1012116651 - 2² = 1012116647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012116631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301086 + ... + 304428.

It is an arithmetic number, because the mean of its divisors is an integer number (51965760).

Almost surely, 2^1012116651 is an apocalyptic number.

1012116651 is a deficient number, since it is larger than the sum of its proper divisors (650787669).

1012116651 is a wasteful number, since it uses less digits than its factorization.

1012116651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1012116651 is about 31813.7808347263. The cubic root of 1012116651 is about 1004.0226800139.

Adding to 1012116651 its reverse (1566112101), we get a palindrome (2578228752).

The spelling of 1012116651 in words is "one billion, twelve million, one hundred sixteen thousand, six hundred fifty-one".