2112434402 has 64 divisors (see below), whose sum is σ = 3792096000. Its totient is φ = 873151488.

The previous prime is 2112434381. The next prime is 2112434413. The reversal of 2112434402 is 2044342112.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010174 + ... + 1012262.

It is an arithmetic number, because the mean of its divisors is an integer number (59251500).

Almost surely, 2^2112434402 is an apocalyptic number.

2112434402 is a deficient number, since it is larger than the sum of its proper divisors (1679661598).

2112434402 is a wasteful number, since it uses less digits than its factorization.

2112434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2112434402 is about 45961.2271594221. The cubic root of 2112434402 is about 1283.1016905721.

Adding to 2112434402 its reverse (2044342112), we get a palindrome (4156776514).

The spelling of 2112434402 in words is "two billion, one hundred twelve million, four hundred thirty-four thousand, four hundred two".