2112381234 has 16 divisors (see below), whose sum is σ = 4694180640. Its totient is φ = 704127060.

The previous prime is 2112381209. The next prime is 2112381241. The reversal of 2112381234 is 4321832112.

2112381234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2112381198 and 2112381207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19559032 + ... + 19559139.

It is an arithmetic number, because the mean of its divisors is an integer number (293386290).

Almost surely, 2^2112381234 is an apocalyptic number.

2112381234 is an abundant number, since it is smaller than the sum of its proper divisors (2581799406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112381234 is a wasteful number, since it uses less digits than its factorization.

2112381234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118182 (or 39118176 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2112381234 is about 45960.6487552123. The cubic root of 2112381234 is about 1283.0909256583.

The spelling of 2112381234 in words is "two billion, one hundred twelve million, three hundred eighty-one thousand, two hundred thirty-four".