2112421434 has 32 divisors (see below), whose sum is σ = 4343431680. Its totient is φ = 684499200.

The previous prime is 2112421429. The next prime is 2112421447. The reversal of 2112421434 is 4341242112.

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, 53847 + ... + 84405.

It is an arithmetic number, because the mean of its divisors is an integer number (135732240).

Almost surely, 2^2112421434 is an apocalyptic number.

2112421434 is an abundant number, since it is smaller than the sum of its proper divisors (2231010246).

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

2112421434 is a wasteful number, since it uses less digits than its factorization.

2112421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30886.

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

The square root of 2112421434 is about 45961.0860837731. The cubic root of 2112421434 is about 1283.0990649605.

Adding to 2112421434 its reverse (4341242112), we get a palindrome (6453663546).

The spelling of 2112421434 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, four hundred thirty-four".