2012331197 has 2 divisors, whose sum is σ = 2012331198. Its totient is φ = 2012331196.

The previous prime is 2012331161. The next prime is 2012331221. The reversal of 2012331197 is 7911332102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802342116 + 209989081 = 42454^2 + 14491^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012331197 - 2²⁰ = 2011282621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012331697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006165598 + 1006165599.

It is an arithmetic number, because the mean of its divisors is an integer number (1006165599).

Almost surely, 2^2012331197 is an apocalyptic number.

It is an amenable number.

2012331197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012331197 is an equidigital number, since it uses as much as digits as its factorization.

2012331197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2012331197 is about 44859.0146681801. The cubic root of 2012331197 is about 1262.5051354495.

Adding to 2012331197 its reverse (7911332102), we get a palindrome (9923663299).

The spelling of 2012331197 in words is "two billion, twelve million, three hundred thirty-one thousand, one hundred ninety-seven".