2112042000243 has 32 divisors (see below), whose sum is σ = 3266875662336. Its totient is φ = 1188689328288.

The previous prime is 2112042000209. The next prime is 2112042000283. The reversal of 2112042000243 is 3420002402112.

It is not a de Polignac number, because 2112042000243 - 2⁶ = 2112042000179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2112042000203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9546880 + ... + 9765602.

It is an arithmetic number, because the mean of its divisors is an integer number (102089864448).

Almost surely, 2^{2112042000243} is an apocalyptic number.

2112042000243 is a deficient number, since it is larger than the sum of its proper divisors (1154833662093).

2112042000243 is a wasteful number, since it uses less digits than its factorization.

2112042000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225663.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2112042000243 its reverse (3420002402112), we get a palindrome (5532044402355).

The spelling of 2112042000243 in words is "two trillion, one hundred twelve billion, forty-two million, two hundred forty-three", and thus it is an aban number.