2112443029 has 4 divisors (see below), whose sum is σ = 2119907776. Its totient is φ = 2104978284.

The previous prime is 2112443023. The next prime is 2112443033. The reversal of 2112443029 is 9203442112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112443029 - 2⁷ = 2112442901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112442988 and 2112443006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112443023) 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, 3731949 + ... + 3732514.

It is an arithmetic number, because the mean of its divisors is an integer number (529976944).

Almost surely, 2^2112443029 is an apocalyptic number.

It is an amenable number.

2112443029 is a deficient number, since it is larger than the sum of its proper divisors (7464747).

2112443029 is an equidigital number, since it uses as much as digits as its factorization.

2112443029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464746.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2112443029 is about 45961.3210101712. The cubic root of 2112443029 is about 1283.1034372620.

The spelling of 2112443029 in words is "two billion, one hundred twelve million, four hundred forty-three thousand, twenty-nine".