1012112197 has 16 divisors (see below), whose sum is σ = 1078739200. Its totient is φ = 946883520.

The previous prime is 1012112191. The next prime is 1012112203. The reversal of 1012112197 is 7912112101.

It is an interprime number because it is at equal distance from previous prime (1012112191) and next prime (1012112203).

It is a cyclic number.

It is not a de Polignac number, because 1012112197 - 2¹¹ = 1012110149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821572 + ... + 822802.

It is an arithmetic number, because the mean of its divisors is an integer number (67421200).

Almost surely, 2^1012112197 is an apocalyptic number.

It is an amenable number.

1012112197 is a deficient number, since it is larger than the sum of its proper divisors (66627003).

1012112197 is a wasteful number, since it uses less digits than its factorization.

1012112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 252, while the sum is 25.

The square root of 1012112197 is about 31813.7108335384. The cubic root of 1012112197 is about 1004.0212072181.

Adding to 1012112197 its reverse (7912112101), we get a palindrome (8924224298).

The spelling of 1012112197 in words is "one billion, twelve million, one hundred twelve thousand, one hundred ninety-seven".