2112124212463 has 4 divisors (see below), whose sum is σ = 2112127546968. Its totient is φ = 2112120877960.

The previous prime is 2112124212391. The next prime is 2112124212469. The reversal of 2112124212463 is 3642124212112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112124212463 is a prime.

It is a super-2 number, since 2×2112124212463² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112124212469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391981 + ... + 2092342.

It is an arithmetic number, because the mean of its divisors is an integer number (528031886742).

Almost surely, 2^{2112124212463} is an apocalyptic number.

2112124212463 is a deficient number, since it is larger than the sum of its proper divisors (3334505).

2112124212463 is an equidigital number, since it uses as much as digits as its factorization.

2112124212463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334504.

The product of its digits is 9216, while the sum is 31.

Adding to 2112124212463 its reverse (3642124212112), we get a palindrome (5754248424575).

The spelling of 2112124212463 in words is "two trillion, one hundred twelve billion, one hundred twenty-four million, two hundred twelve thousand, four hundred sixty-three".