2112421696 has 56 divisors (see below), whose sum is σ = 5226198336. Its totient is φ = 823019520.

The previous prime is 2112421681. The next prime is 2112421699. The reversal of 2112421696 is 6961242112.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112421699) by changing a digit.

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, 209401 + ... + 219256.

Almost surely, 2^2112421696 is an apocalyptic number.

It is an amenable number.

2112421696 is an abundant number, since it is smaller than the sum of its proper divisors (3113776640).

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

2112421696 is a wasteful number, since it uses less digits than its factorization.

2112421696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428687 (or 428677 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 2112421696 is about 45961.0889340103. The cubic root of 2112421696 is about 1283.0991180074.

The spelling of 2112421696 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, six hundred ninety-six".