2112814997 has 2 divisors, whose sum is σ = 2112814998. Its totient is φ = 2112814996.

The previous prime is 2112814987. The next prime is 2112815011. The reversal of 2112814997 is 7994182112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1328310916 + 784504081 = 36446^2 + 28009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112814997 - 2¹⁰ = 2112813973 is a prime.

It is a super-2 number, since 2×2112814997² = 8927974423096220018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112814987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056407498 + 1056407499.

It is an arithmetic number, because the mean of its divisors is an integer number (1056407499).

Almost surely, 2^2112814997 is an apocalyptic number.

It is an amenable number.

2112814997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112814997 is an equidigital number, since it uses as much as digits as its factorization.

2112814997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 44.

The square root of 2112814997 is about 45965.3673650065. The cubic root of 2112814997 is about 1283.1787442883.

The spelling of 2112814997 in words is "two billion, one hundred twelve million, eight hundred fourteen thousand, nine hundred ninety-seven".