2112420234 has 16 divisors (see below), whose sum is σ = 4408529472. Its totient is φ = 673525248.

The previous prime is 2112420143. The next prime is 2112420269. The reversal of 2112420234 is 4320242112.

It is a super-2 number, since 2×2112420234² = 8924638490025229512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112420234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7653559 + ... + 7653834.

It is an arithmetic number, because the mean of its divisors is an integer number (275533092).

Almost surely, 2^2112420234 is an apocalyptic number.

2112420234 is an abundant number, since it is smaller than the sum of its proper divisors (2296109238).

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

2112420234 is a wasteful number, since it uses less digits than its factorization.

2112420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307421.

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

The square root of 2112420234 is about 45961.0730292494. The cubic root of 2112420234 is about 1283.0988219978.

Adding to 2112420234 its reverse (4320242112), we get a palindrome (6432662346).

The spelling of 2112420234 in words is "two billion, one hundred twelve million, four hundred twenty thousand, two hundred thirty-four".