2112142434 has 32 divisors (see below), whose sum is σ = 4289402304. Its totient is φ = 693227520.

The previous prime is 2112142387. The next prime is 2112142453. The reversal of 2112142434 is 4342412112.

It is a super-2 number, since 2×2112142434² = 8922291323006888712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276997 + ... + 284519.

It is an arithmetic number, because the mean of its divisors is an integer number (134043822).

Almost surely, 2^2112142434 is an apocalyptic number.

2112142434 is an abundant number, since it is smaller than the sum of its proper divisors (2177259870).

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

2112142434 is a wasteful number, since it uses less digits than its factorization.

2112142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242.

The product of its digits is 1536, while the sum is 24.

The square root of 2112142434 is about 45958.0508072307. The cubic root of 2112142434 is about 1283.0425736445.

Adding to 2112142434 its reverse (4342412112), we get a palindrome (6454554546).

The spelling of 2112142434 in words is "two billion, one hundred twelve million, one hundred forty-two thousand, four hundred thirty-four".