2112293786 has 8 divisors (see below), whose sum is σ = 3168635700. Its totient is φ = 1056081888.

The previous prime is 2112293761. The next prime is 2112293789. The reversal of 2112293786 is 6873922112.

It can be written as a sum of positive squares in 2 ways, for example, as 2025450025 + 86843761 = 45005^2 + 9319^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112293789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47390 + ... + 80438.

Almost surely, 2^2112293786 is an apocalyptic number.

2112293786 is a deficient number, since it is larger than the sum of its proper divisors (1056341914).

2112293786 is a wasteful number, since it uses less digits than its factorization.

2112293786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65008.

The product of its digits is 72576, while the sum is 41.

The square root of 2112293786 is about 45959.6974097959. The cubic root of 2112293786 is about 1283.0732196871.

The spelling of 2112293786 in words is "two billion, one hundred twelve million, two hundred ninety-three thousand, seven hundred eighty-six".