2122412516 has 24 divisors (see below), whose sum is σ = 4268287296. Its totient is φ = 904577760.

The previous prime is 2122412491. The next prime is 2122412569. The reversal of 2122412516 is 6152142212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204326 + ... + 214461.

It is an arithmetic number, because the mean of its divisors is an integer number (177845304).

Almost surely, 2^2122412516 is an apocalyptic number.

It is an amenable number.

2122412516 is an abundant number, since it is smaller than the sum of its proper divisors (2145874780).

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

2122412516 is a wasteful number, since it uses less digits than its factorization.

2122412516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418979 (or 418977 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 2122412516 is about 46069.6485334976. The cubic root of 2122412516 is about 1285.1187677069.

Adding to 2122412516 its reverse (6152142212), we get a palindrome (8274554728).

The spelling of 2122412516 in words is "two billion, one hundred twenty-two million, four hundred twelve thousand, five hundred sixteen".