2012971097 has 2 divisors, whose sum is σ = 2012971098. Its totient is φ = 2012971096.

The previous prime is 2012971087. The next prime is 2012971159. The reversal of 2012971097 is 7901792102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1747574416 + 265396681 = 41804^2 + 16291^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012971097 - 2¹² = 2012967001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012971097.

It is not a weakly prime, because it can be changed into another prime (2012971087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006485548 + 1006485549.

It is an arithmetic number, because the mean of its divisors is an integer number (1006485549).

Almost surely, 2^2012971097 is an apocalyptic number.

It is an amenable number.

2012971097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012971097 is an equidigital number, since it uses as much as digits as its factorization.

2012971097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 2012971097 is about 44866.1464469593. The cubic root of 2012971097 is about 1262.6389423530.

The spelling of 2012971097 in words is "two billion, twelve million, nine hundred seventy-one thousand, ninety-seven".