2112131234 has 8 divisors (see below), whose sum is σ = 3175759440. Its totient is φ = 1053544756.

The previous prime is 2112131207. The next prime is 2112131243. The reversal of 2112131234 is 4321312112.

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

It is a super-2 number, since 2×2112131234² = 8922196699276725512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259384 + ... + 1261059.

It is an arithmetic number, because the mean of its divisors is an integer number (396969930).

Almost surely, 2^2112131234 is an apocalyptic number.

2112131234 is a deficient number, since it is larger than the sum of its proper divisors (1063628206).

2112131234 is a wasteful number, since it uses less digits than its factorization.

2112131234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520864.

The product of its digits is 288, while the sum is 20.

The square root of 2112131234 is about 45957.9289568188. The cubic root of 2112131234 is about 1283.0403057889.

Adding to 2112131234 its reverse (4321312112), we get a palindrome (6433443346).

The spelling of 2112131234 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred thirty-four".