2122605712 has 40 divisors (see below), whose sum is σ = 4317223680. Its totient is φ = 1009645440.

The previous prime is 2122605697. The next prime is 2122605713. The reversal of 2122605712 is 2175062212.

It is not an unprimeable number, because it can be changed into a prime (2122605713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7003 + ... + 65530.

It is an arithmetic number, because the mean of its divisors is an integer number (107930592).

Almost surely, 2^2122605712 is an apocalyptic number.

It is an amenable number.

2122605712 is an abundant number, since it is smaller than the sum of its proper divisors (2194617968).

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

2122605712 is a wasteful number, since it uses less digits than its factorization.

2122605712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72631 (or 72625 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2122605712 is about 46071.7452675715. The cubic root of 2122605712 is about 1285.1577598555.

Adding to 2122605712 its reverse (2175062212), we get a palindrome (4297667924).

The spelling of 2122605712 in words is "two billion, one hundred twenty-two million, six hundred five thousand, seven hundred twelve".