2012116849 has 8 divisors (see below), whose sum is σ = 2039004072. Its totient is φ = 1985366400.

The previous prime is 2012116837. The next prime is 2012116871. The reversal of 2012116849 is 9486112102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1588580449 + 423536400 = 39857^2 + 20580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012116849 - 2²³ = 2003728241 is a prime.

It is a super-2 number, since 2×2012116849² = 8097228428059377602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012116829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404 + ... + 63589.

It is an arithmetic number, because the mean of its divisors is an integer number (254875509).

Almost surely, 2^2012116849 is an apocalyptic number.

It is an amenable number.

2012116849 is a deficient number, since it is larger than the sum of its proper divisors (26887223).

2012116849 is a wasteful number, since it uses less digits than its factorization.

2012116849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68387.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2012116849 is about 44856.6254749507. The cubic root of 2012116849 is about 1262.4603076630.

The spelling of 2012116849 in words is "two billion, twelve million, one hundred sixteen thousand, eight hundred forty-nine".