2122412520 has 128 divisors (see below), whose sum is σ = 6596029440. Its totient is φ = 545771520.

The previous prime is 2122412491. The next prime is 2122412569. The reversal of 2122412520 is 252142212.

2122412520 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1252794 + ... + 1254486.

It is an arithmetic number, because the mean of its divisors is an integer number (51531480).

Almost surely, 2^2122412520 is an apocalyptic number.

2122412520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122412520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298014720).

2122412520 is an abundant number, since it is smaller than the sum of its proper divisors (4473616920).

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

2122412520 is a wasteful number, since it uses less digits than its factorization.

2122412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122412520 is about 46069.6485769102. The cubic root of 2122412520 is about 1285.1187685143.

Adding to 2122412520 its reverse (252142212), we get a palindrome (2374554732).

The spelling of 2122412520 in words is "two billion, one hundred twenty-two million, four hundred twelve thousand, five hundred twenty".